Swift Package Index

Build Information

Successful build of swift-signal-handling, reference 1.1.4 (c50ae0), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 16:05:57 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

    :
 77 | 	/**
 78 | 	 - Note: FPE means Floating-Point Exception but this signal is sent for any arithmetic error. */
 79 | 	public static let arithmeticError        = Signal(rawValue: SIGFPE)
    |                    |- warning: static property 'arithmeticError' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'arithmeticError' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 | 	@available(*, unavailable, renamed: "arithmeticError")
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:81:20: warning: static property 'floatingPointException' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 79 | 	public static let arithmeticError        = Signal(rawValue: SIGFPE)
 80 | 	@available(*, unavailable, renamed: "arithmeticError")
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
    |                    |- warning: static property 'floatingPointException' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'floatingPointException' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:82:20: warning: static property 'illegalInstruction' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 80 | 	@available(*, unavailable, renamed: "arithmeticError")
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
    |                    |- warning: static property 'illegalInstruction' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'illegalInstruction' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:83:20: warning: static property 'segmentationFault' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
    |                    |- warning: static property 'segmentationFault' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'segmentationFault' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:84:20: warning: static property 'busError' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
    |                    |- warning: static property 'busError' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'busError' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
 86 | 	/** Usually the same as `abortTrap`. */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:85:20: warning: static property 'abortTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
    |                    |- warning: static property 'abortTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'abortTrap' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 86 | 	/** Usually the same as `abortTrap`. */
 87 | 	public static let iot                    = Signal(rawValue: SIGIOT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:87:20: warning: static property 'iot' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
 86 | 	/** Usually the same as `abortTrap`. */
 87 | 	public static let iot                    = Signal(rawValue: SIGIOT)
    |                    |- warning: static property 'iot' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'iot' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 88 | 	public static let traceBreakpointTrap    = Signal(rawValue: SIGTRAP)
 89 | #if !os(Linux)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:88:20: warning: static property 'traceBreakpointTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 86 | 	/** Usually the same as `abortTrap`. */
 87 | 	public static let iot                    = Signal(rawValue: SIGIOT)
 88 | 	public static let traceBreakpointTrap    = Signal(rawValue: SIGTRAP)
    |                    |- warning: static property 'traceBreakpointTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'traceBreakpointTrap' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 89 | #if !os(Linux)
 90 | 	public static let emulatorTrap           = Signal(rawValue: SIGEMT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:90:20: warning: static property 'emulatorTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 88 | 	public static let traceBreakpointTrap    = Signal(rawValue: SIGTRAP)
 89 | #if !os(Linux)
 90 | 	public static let emulatorTrap           = Signal(rawValue: SIGEMT)
    |                    |- warning: static property 'emulatorTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'emulatorTrap' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 91 | #endif
 92 | 	public static let badSystemCall          = Signal(rawValue: SIGSYS)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:92:20: warning: static property 'badSystemCall' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 90 | 	public static let emulatorTrap           = Signal(rawValue: SIGEMT)
 91 | #endif
 92 | 	public static let badSystemCall          = Signal(rawValue: SIGSYS)
    |                    |- warning: static property 'badSystemCall' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'badSystemCall' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |
 94 | 	/* *** Termination Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:108:20: warning: static property 'terminated' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
106 |
107 | 	/** “Normal” kill signal. */
108 | 	public static let terminated = Signal(rawValue: SIGTERM)
    |                    |- warning: static property 'terminated' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'terminated' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
109 | 	/** Usually `Ctrl-C`. */
110 | 	public static let interrupt  = Signal(rawValue: SIGINT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:110:20: warning: static property 'interrupt' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
108 | 	public static let terminated = Signal(rawValue: SIGTERM)
109 | 	/** Usually `Ctrl-C`. */
110 | 	public static let interrupt  = Signal(rawValue: SIGINT)
    |                    |- warning: static property 'interrupt' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'interrupt' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
111 | 	/** Used to quit w/ generation of a core dump. Usually `Ctrl-\`. */
112 | 	public static let quit       = Signal(rawValue: SIGQUIT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:112:20: warning: static property 'quit' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
110 | 	public static let interrupt  = Signal(rawValue: SIGINT)
111 | 	/** Used to quit w/ generation of a core dump. Usually `Ctrl-\`. */
112 | 	public static let quit       = Signal(rawValue: SIGQUIT)
    |                    |- warning: static property 'quit' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'quit' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
113 | 	public static let killed     = Signal(rawValue: SIGKILL)
114 | 	/** The user’s terminal disconnected. */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:113:20: warning: static property 'killed' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
111 | 	/** Used to quit w/ generation of a core dump. Usually `Ctrl-\`. */
112 | 	public static let quit       = Signal(rawValue: SIGQUIT)
113 | 	public static let killed     = Signal(rawValue: SIGKILL)
    |                    |- warning: static property 'killed' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'killed' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
114 | 	/** The user’s terminal disconnected. */
115 | 	public static let hangup     = Signal(rawValue: SIGHUP)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:115:20: warning: static property 'hangup' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
113 | 	public static let killed     = Signal(rawValue: SIGKILL)
114 | 	/** The user’s terminal disconnected. */
115 | 	public static let hangup     = Signal(rawValue: SIGHUP)
    |                    |- warning: static property 'hangup' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'hangup' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |
117 | 	/* *** Alarm Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:128:20: warning: static property 'alarmClock' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
126 | 	}
127 |
128 | 	public static let alarmClock            = Signal(rawValue: SIGALRM)
    |                    |- warning: static property 'alarmClock' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'alarmClock' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
129 | 	public static let virtualTimerExpired   = Signal(rawValue: SIGVTALRM)
130 | 	public static let profilingTimerExpired = Signal(rawValue: SIGPROF)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:129:20: warning: static property 'virtualTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
127 |
128 | 	public static let alarmClock            = Signal(rawValue: SIGALRM)
129 | 	public static let virtualTimerExpired   = Signal(rawValue: SIGVTALRM)
    |                    |- warning: static property 'virtualTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'virtualTimerExpired' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 | 	public static let profilingTimerExpired = Signal(rawValue: SIGPROF)
131 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:130:20: warning: static property 'profilingTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
128 | 	public static let alarmClock            = Signal(rawValue: SIGALRM)
129 | 	public static let virtualTimerExpired   = Signal(rawValue: SIGVTALRM)
130 | 	public static let profilingTimerExpired = Signal(rawValue: SIGPROF)
    |                    |- warning: static property 'profilingTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'profilingTimerExpired' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |
132 | 	/* *** Asynchronous I/O Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:143:20: warning: static property 'ioPossible' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
141 | 	}
142 |
143 | 	public static let ioPossible        = Signal(rawValue: SIGIO)
    |                    |- warning: static property 'ioPossible' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'ioPossible' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
144 | 	public static let urgentIOCondition = Signal(rawValue: SIGURG)
145 | #if os(Linux)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:144:20: warning: static property 'urgentIOCondition' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
142 |
143 | 	public static let ioPossible        = Signal(rawValue: SIGIO)
144 | 	public static let urgentIOCondition = Signal(rawValue: SIGURG)
    |                    |- warning: static property 'urgentIOCondition' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'urgentIOCondition' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
145 | #if os(Linux)
146 | 	/** System V signal name, similar to SIGIO. */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:164:20: warning: static property 'childExited' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
162 | 	}
163 |
164 | 	public static let childExited       = Signal(rawValue: SIGCHLD)
    |                    |- warning: static property 'childExited' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'childExited' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
165 | 	/* Obsolete name for SIGCHLD. */
166 | //	public static let cildExited        = Signal(rawValue: SIGCLD)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:167:20: warning: static property 'continued' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
165 | 	/* Obsolete name for SIGCHLD. */
166 | //	public static let cildExited        = Signal(rawValue: SIGCLD)
167 | 	public static let continued         = Signal(rawValue: SIGCONT)
    |                    |- warning: static property 'continued' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'continued' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 | 	/** Suspends the program. Cannot be handled, ignored or blocked. */
169 | 	public static let suspendedBySignal = Signal(rawValue: SIGSTOP)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:169:20: warning: static property 'suspendedBySignal' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
167 | 	public static let continued         = Signal(rawValue: SIGCONT)
168 | 	/** Suspends the program. Cannot be handled, ignored or blocked. */
169 | 	public static let suspendedBySignal = Signal(rawValue: SIGSTOP)
    |                    |- warning: static property 'suspendedBySignal' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'suspendedBySignal' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
170 | 	/** Suspends the program but can be handled and ignored. Usually `Ctrl-Z`. */
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:171:20: warning: static property 'suspended' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
169 | 	public static let suspendedBySignal = Signal(rawValue: SIGSTOP)
170 | 	/** Suspends the program but can be handled and ignored. Usually `Ctrl-Z`. */
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
    |                    |- warning: static property 'suspended' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'suspended' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
172 | 	public static let stoppedTTYInput   = Signal(rawValue: SIGTTIN)
173 | 	public static let stoppedTTYOutput  = Signal(rawValue: SIGTTOU)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:172:20: warning: static property 'stoppedTTYInput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
170 | 	/** Suspends the program but can be handled and ignored. Usually `Ctrl-Z`. */
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
172 | 	public static let stoppedTTYInput   = Signal(rawValue: SIGTTIN)
    |                    |- warning: static property 'stoppedTTYInput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'stoppedTTYInput' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 | 	public static let stoppedTTYOutput  = Signal(rawValue: SIGTTOU)
174 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:173:20: warning: static property 'stoppedTTYOutput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
172 | 	public static let stoppedTTYInput   = Signal(rawValue: SIGTTIN)
173 | 	public static let stoppedTTYOutput  = Signal(rawValue: SIGTTOU)
    |                    |- warning: static property 'stoppedTTYOutput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'stoppedTTYOutput' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
174 |
175 | 	/* *** Operation Error Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:186:20: warning: static property 'brokenPipe' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
184 | 	}
185 |
186 | 	public static let brokenPipe            = Signal(rawValue: SIGPIPE)
    |                    |- warning: static property 'brokenPipe' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'brokenPipe' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
187 | //	public static let resourceLost          = Signal(rawValue: SIGLOST)
188 | 	public static let cputimeLimitExceeded  = Signal(rawValue: SIGXCPU)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:188:20: warning: static property 'cputimeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
186 | 	public static let brokenPipe            = Signal(rawValue: SIGPIPE)
187 | //	public static let resourceLost          = Signal(rawValue: SIGLOST)
188 | 	public static let cputimeLimitExceeded  = Signal(rawValue: SIGXCPU)
    |                    |- warning: static property 'cputimeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'cputimeLimitExceeded' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 | 	public static let filesizeLimitExceeded = Signal(rawValue: SIGXFSZ)
190 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:189:20: warning: static property 'filesizeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
187 | //	public static let resourceLost          = Signal(rawValue: SIGLOST)
188 | 	public static let cputimeLimitExceeded  = Signal(rawValue: SIGXCPU)
189 | 	public static let filesizeLimitExceeded = Signal(rawValue: SIGXFSZ)
    |                    |- warning: static property 'filesizeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'filesizeLimitExceeded' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
190 |
191 | 	/* *** Miscellaneous Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:208:20: warning: static property 'userDefinedSignal1' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
206 | 	}
207 |
208 | 	public static let userDefinedSignal1 = Signal(rawValue: SIGUSR1)
    |                    |- warning: static property 'userDefinedSignal1' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'userDefinedSignal1' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
209 | 	public static let userDefinedSignal2 = Signal(rawValue: SIGUSR2)
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:209:20: warning: static property 'userDefinedSignal2' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
207 |
208 | 	public static let userDefinedSignal1 = Signal(rawValue: SIGUSR1)
209 | 	public static let userDefinedSignal2 = Signal(rawValue: SIGUSR2)
    |                    |- warning: static property 'userDefinedSignal2' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'userDefinedSignal2' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
211 | #if !os(Linux)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:210:20: warning: static property 'windowSizeChanges' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
208 | 	public static let userDefinedSignal1 = Signal(rawValue: SIGUSR1)
209 | 	public static let userDefinedSignal2 = Signal(rawValue: SIGUSR2)
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
    |                    |- warning: static property 'windowSizeChanges' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'windowSizeChanges' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
211 | #if !os(Linux)
212 | 	public static let informationRequest = Signal(rawValue: SIGINFO)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:212:20: warning: static property 'informationRequest' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
211 | #if !os(Linux)
212 | 	public static let informationRequest = Signal(rawValue: SIGINFO)
    |                    |- warning: static property 'informationRequest' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'informationRequest' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
213 | #endif
214 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/DelayedSigaction.swift:10:21: warning: static property 'latestID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 8 | public struct DelayedSigaction : Hashable {
 9 |
10 | 	private static var latestID = 0
   |                     |- warning: static property 'latestID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                     |- note: convert 'latestID' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: add '@MainActor' to make static property 'latestID' part of global actor 'MainActor'
   |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
11 |
12 | 	internal var id: Int
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:173:14: warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
171 | 		static let lock = NSConditionLock(condition: Self.nothingToDo.rawValue)
172 |
173 | 		static var action: Action = .nop
    |              |- warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'action' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'action' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
174 | 		static var error: Error?
175 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:174:14: warning: static property 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
172 |
173 | 		static var action: Action = .nop
174 | 		static var error: Error?
    |              |- warning: static property 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'error' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'error' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
175 |
176 | 		case nothingToDo
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:191:21: warning: static property 'bootstrapDone' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
189 | 	private static let signalProcessingQueue = DispatchQueue(label: "com.xcode-actions.blocked-signals-processing-queue")
190 |
191 | 	private static var bootstrapDone = false
    |                     |- warning: static property 'bootstrapDone' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'bootstrapDone' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'bootstrapDone' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
192 | 	private static var blockedSignals = [Signal: BlockedSignal]()
193 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:192:21: warning: static property 'blockedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
190 |
191 | 	private static var bootstrapDone = false
192 | 	private static var blockedSignals = [Signal: BlockedSignal]()
    |                     |- warning: static property 'blockedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'blockedSignals' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'blockedSignals' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
193 |
194 | 	private static func executeOnThread(_ action: ThreadSync.Action) throws {
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:130:14: warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
128 | 		static let lock = NSConditionLock(condition: Self.nothingToDo.rawValue)
129 |
130 | 		static var action: Action = .nop
    |              |- warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'action' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'action' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 | 		static var completionResult: ErrorAndLogs?
132 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:131:14: warning: static property 'completionResult' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
129 |
130 | 		static var action: Action = .nop
131 | 		static var completionResult: ErrorAndLogs?
    |              |- warning: static property 'completionResult' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'completionResult' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'completionResult' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
132 |
133 | 		case nothingToDo
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:150:21: warning: static property 'hasCreatedProcessingThread' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
148 | 	private static let signalProcessingQueue = DispatchQueue(label: "com.xcode-actions.unsigactioned-signals-processing-queue")
149 |
150 | 	private static var hasCreatedProcessingThread = false
    |                     |- warning: static property 'hasCreatedProcessingThread' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'hasCreatedProcessingThread' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'hasCreatedProcessingThread' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 | 	private static var unsigactionedSignals = [Signal: UnsigactionedSignal]()
152 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:151:21: warning: static property 'unsigactionedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
149 |
150 | 	private static var hasCreatedProcessingThread = false
151 | 	private static var unsigactionedSignals = [Signal: UnsigactionedSignal]()
    |                     |- warning: static property 'unsigactionedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'unsigactionedSignals' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'unsigactionedSignals' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
152 |
153 | 	private static func executeOnThread(_ action: ThreadSync.Action) throws {
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/SignalHandlingConfig.swift:9:20: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 7 | public enum SignalHandlingConfig {
 8 |
 9 | 	public static var logger: Logging.Logger? = {
   |                    |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |                    |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
10 | 		return Logger(label: "com.xcode-actions.signal-handling")
11 | 	}()
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/SignalHandlingConfig.swift:9:20: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 7 | public enum SignalHandlingConfig {
 8 |
 9 | 	public static var logger: Logging.Logger? = {
   |                    |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |                    |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
10 | 		return Logger(label: "com.xcode-actions.signal-handling")
11 | 	}()
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/DelayedSigaction.swift:10:21: warning: static property 'latestID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 8 | public struct DelayedSigaction : Hashable {
 9 |
10 | 	private static var latestID = 0
   |                     |- warning: static property 'latestID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                     |- note: convert 'latestID' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: add '@MainActor' to make static property 'latestID' part of global actor 'MainActor'
   |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
11 |
12 | 	internal var id: Int
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Sigaction.swift:9:20: warning: static property 'ignoreAction' is not concurrency-safe because non-'Sendable' type 'Sigaction' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 |
  6 |
  7 | public struct Sigaction : Equatable, RawRepresentable {
    |               `- note: consider making struct 'Sigaction' conform to the 'Sendable' protocol
  8 |
  9 | 	public static let ignoreAction = Sigaction(handler: .ignoreHandler)
    |                    |- warning: static property 'ignoreAction' is not concurrency-safe because non-'Sendable' type 'Sigaction' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'ignoreAction' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 10 | 	public static let defaultAction = Sigaction(handler: .defaultHandler)
 11 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Sigaction.swift:10:20: warning: static property 'defaultAction' is not concurrency-safe because non-'Sendable' type 'Sigaction' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 |
  6 |
  7 | public struct Sigaction : Equatable, RawRepresentable {
    |               `- note: consider making struct 'Sigaction' conform to the 'Sendable' protocol
  8 |
  9 | 	public static let ignoreAction = Sigaction(handler: .ignoreHandler)
 10 | 	public static let defaultAction = Sigaction(handler: .defaultHandler)
    |                    |- warning: static property 'defaultAction' is not concurrency-safe because non-'Sendable' type 'Sigaction' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'defaultAction' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 11 |
 12 | 	/**
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/SigactionFlag.swift:11:20: warning: static property 'noChildStop' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 4 |
 5 | /** Flag list is from `sigaction(2)` on macOS. */
 6 | public struct SigactionFlags : OptionSet {
   |               `- note: consider making struct 'SigactionFlags' conform to the 'Sendable' protocol
 7 |
 8 | 	/**
 9 | 	 If this bit is set when installing a catching function for the `SIGCHLD` signal,
10 | 	  the `SIGCHLD` signal will be generated only when a child process exits, not when a child process stops. */
11 | 	public static let noChildStop = SigactionFlags(rawValue: SA_NOCLDSTOP)
   |                    |- warning: static property 'noChildStop' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: add '@MainActor' to make static property 'noChildStop' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
12 |
13 | 	/**
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/SigactionFlag.swift:19:20: warning: static property 'noChildWait' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 4 |
 5 | /** Flag list is from `sigaction(2)` on macOS. */
 6 | public struct SigactionFlags : OptionSet {
   |               `- note: consider making struct 'SigactionFlags' conform to the 'Sendable' protocol
 7 |
 8 | 	/**
   :
17 | 	  it blocks until all of the calling process’s child processes terminate,
18 | 	  and then returns a value of -1 with errno set to ECHILD. */
19 | 	public static let noChildWait = SigactionFlags(rawValue: SA_NOCLDWAIT)
   |                    |- warning: static property 'noChildWait' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: add '@MainActor' to make static property 'noChildWait' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
20 |
21 | 	/**
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/SigactionFlag.swift:23:20: warning: static property 'onStack' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 4 |
 5 | /** Flag list is from `sigaction(2)` on macOS. */
 6 | public struct SigactionFlags : OptionSet {
   |               `- note: consider making struct 'SigactionFlags' conform to the 'Sendable' protocol
 7 |
 8 | 	/**
   :
21 | 	/**
22 | 	 If this bit is set, the system will deliver the signal to the process on a signal stack, specified with `sigaltstack(2)`. */
23 | 	public static let onStack = SigactionFlags(rawValue: SA_ONSTACK)
   |                    |- warning: static property 'onStack' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: add '@MainActor' to make static property 'onStack' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |
25 | 	/**
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/SigactionFlag.swift:27:20: warning: static property 'noDefer' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 4 |
 5 | /** Flag list is from `sigaction(2)` on macOS. */
 6 | public struct SigactionFlags : OptionSet {
   |               `- note: consider making struct 'SigactionFlags' conform to the 'Sendable' protocol
 7 |
 8 | 	/**
   :
25 | 	/**
26 | 	 If this bit is set, further occurrences of the delivered signal are not masked during the execution of the handler. */
27 | 	public static let noDefer = SigactionFlags(rawValue: SA_NODEFER)
   |                    |- warning: static property 'noDefer' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: add '@MainActor' to make static property 'noDefer' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
28 |
29 | 	/**
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/SigactionFlag.swift:31:20: warning: static property 'resetHandler' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 4 |
 5 | /** Flag list is from `sigaction(2)` on macOS. */
 6 | public struct SigactionFlags : OptionSet {
   |               `- note: consider making struct 'SigactionFlags' conform to the 'Sendable' protocol
 7 |
 8 | 	/**
   :
29 | 	/**
30 | 	 If this bit is set, the handler is reset back to `SIG_DFL` at the moment the signal is delivered. */
31 | 	public static let resetHandler = SigactionFlags(rawValue: CInt(SA_RESETHAND) /* On Linux, an UInt32 instead of Int32, so we cast… */)
   |                    |- warning: static property 'resetHandler' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: add '@MainActor' to make static property 'resetHandler' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
32 |
33 | 	/** See `sigaction(2)`. */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/SigactionFlag.swift:34:20: warning: static property 'restart' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 4 |
 5 | /** Flag list is from `sigaction(2)` on macOS. */
 6 | public struct SigactionFlags : OptionSet {
   |               `- note: consider making struct 'SigactionFlags' conform to the 'Sendable' protocol
 7 |
 8 | 	/**
   :
32 |
33 | 	/** See `sigaction(2)`. */
34 | 	public static let restart = SigactionFlags(rawValue: SA_RESTART)
   |                    |- warning: static property 'restart' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: add '@MainActor' to make static property 'restart' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
35 |
36 | 	/**
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/SigactionFlag.swift:40:20: warning: static property 'siginfo' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 4 |
 5 | /** Flag list is from `sigaction(2)` on macOS. */
 6 | public struct SigactionFlags : OptionSet {
   |               `- note: consider making struct 'SigactionFlags' conform to the 'Sendable' protocol
 7 |
 8 | 	/**
   :
38 | 	  and should match the matching prototype.
39 | 	 This bit should not be set when assigning `SIG_DFL` or `SIG_IGN`. */
40 | 	public static let siginfo = SigactionFlags(rawValue: SA_SIGINFO)
   |                    |- warning: static property 'siginfo' is not concurrency-safe because non-'Sendable' type 'SigactionFlags' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |                    |- note: add '@MainActor' to make static property 'siginfo' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |
42 | 	public let rawValue: CInt
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:173:14: warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
171 | 		static let lock = NSConditionLock(condition: Self.nothingToDo.rawValue)
172 |
173 | 		static var action: Action = .nop
    |              |- warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'action' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'action' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
174 | 		static var error: Error?
175 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:174:14: warning: static property 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
172 |
173 | 		static var action: Action = .nop
174 | 		static var error: Error?
    |              |- warning: static property 'error' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'error' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'error' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
175 |
176 | 		case nothingToDo
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:191:21: warning: static property 'bootstrapDone' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
189 | 	private static let signalProcessingQueue = DispatchQueue(label: "com.xcode-actions.blocked-signals-processing-queue")
190 |
191 | 	private static var bootstrapDone = false
    |                     |- warning: static property 'bootstrapDone' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'bootstrapDone' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'bootstrapDone' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
192 | 	private static var blockedSignals = [Signal: BlockedSignal]()
193 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:192:21: warning: static property 'blockedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
190 |
191 | 	private static var bootstrapDone = false
192 | 	private static var blockedSignals = [Signal: BlockedSignal]()
    |                     |- warning: static property 'blockedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'blockedSignals' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'blockedSignals' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
193 |
194 | 	private static func executeOnThread(_ action: ThreadSync.Action) throws {
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Block.swift:82:5: warning: mutation of captured var 'error' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 80 | 			let ret = pthread_sigmask(SIG_SETMASK, &noSignals, nil /* old signals */)
 81 | 			if ret != 0 {
 82 | 				error = SignalHandlingError.destructiveSystemError(Errno(rawValue: ret))
    |     `- warning: mutation of captured var 'error' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 83 | 			}
 84 | 			group.leave()
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:130:14: warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
128 | 		static let lock = NSConditionLock(condition: Self.nothingToDo.rawValue)
129 |
130 | 		static var action: Action = .nop
    |              |- warning: static property 'action' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'action' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'action' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 | 		static var completionResult: ErrorAndLogs?
132 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:131:14: warning: static property 'completionResult' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
129 |
130 | 		static var action: Action = .nop
131 | 		static var completionResult: ErrorAndLogs?
    |              |- warning: static property 'completionResult' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |              |- note: convert 'completionResult' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: add '@MainActor' to make static property 'completionResult' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
132 |
133 | 		case nothingToDo
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:150:21: warning: static property 'hasCreatedProcessingThread' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
148 | 	private static let signalProcessingQueue = DispatchQueue(label: "com.xcode-actions.unsigactioned-signals-processing-queue")
149 |
150 | 	private static var hasCreatedProcessingThread = false
    |                     |- warning: static property 'hasCreatedProcessingThread' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'hasCreatedProcessingThread' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'hasCreatedProcessingThread' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 | 	private static var unsigactionedSignals = [Signal: UnsigactionedSignal]()
152 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:151:21: warning: static property 'unsigactionedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
149 |
150 | 	private static var hasCreatedProcessingThread = false
151 | 	private static var unsigactionedSignals = [Signal: UnsigactionedSignal]()
    |                     |- warning: static property 'unsigactionedSignals' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                     |- note: convert 'unsigactionedSignals' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property 'unsigactionedSignals' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
152 |
153 | 	private static func executeOnThread(_ action: ThreadSync.Action) throws {
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/DelayedSigaction/SigactionDelayer_Unsig.swift:302:5: warning: mutation of captured var 'error' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
300 | 			let ret = pthread_sigmask(SIG_SETMASK, &noSignals, nil /* old signals */)
301 | 			if ret != 0 {
302 | 				error = SignalHandlingError.destructiveSystemError(Errno(rawValue: ret))
    |     `- warning: mutation of captured var 'error' in concurrently-executing code [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
303 | 			}
304 | 			group.leave()
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:34:20: warning: static property 'killingSignals' is not concurrency-safe because non-'Sendable' type 'Set<Signal>' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 32 |
 33 | 	 - Important: As previously mentionned, this list is hand-crafted and might be missing signals or having too many of them. */
 34 | 	public static let killingSignals: Set<Signal> = {
    |                    |- warning: static property 'killingSignals' is not concurrency-safe because non-'Sendable' type 'Set<Signal>' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'killingSignals' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 35 | 		return Set(arrayLiteral:
 36 | 			.terminated, /* Default kill */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:48:20: warning: static property 'toForwardToSubprocesses' is not concurrency-safe because non-'Sendable' type 'Set<Signal>' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 46 | 	 - Important: As previously mentionned, this list is hand-crafted and does not correspond to any system development notion,
 47 | 	  or anything that I know of. */
 48 | 	public static let toForwardToSubprocesses: Set<Signal> = {
    |                    |- warning: static property 'toForwardToSubprocesses' is not concurrency-safe because non-'Sendable' type 'Set<Signal>' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'toForwardToSubprocesses' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 49 | 		return Set(arrayLiteral:
 50 | 			.suspended, /* Ctrl-Z */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:79:20: warning: static property 'arithmeticError' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 77 | 	/**
 78 | 	 - Note: FPE means Floating-Point Exception but this signal is sent for any arithmetic error. */
 79 | 	public static let arithmeticError        = Signal(rawValue: SIGFPE)
    |                    |- warning: static property 'arithmeticError' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'arithmeticError' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 80 | 	@available(*, unavailable, renamed: "arithmeticError")
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:81:20: warning: static property 'floatingPointException' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 79 | 	public static let arithmeticError        = Signal(rawValue: SIGFPE)
 80 | 	@available(*, unavailable, renamed: "arithmeticError")
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
    |                    |- warning: static property 'floatingPointException' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'floatingPointException' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:82:20: warning: static property 'illegalInstruction' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 80 | 	@available(*, unavailable, renamed: "arithmeticError")
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
    |                    |- warning: static property 'illegalInstruction' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'illegalInstruction' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:83:20: warning: static property 'segmentationFault' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 81 | 	public static let floatingPointException = Signal(rawValue: SIGFPE)
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
    |                    |- warning: static property 'segmentationFault' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'segmentationFault' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:84:20: warning: static property 'busError' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 82 | 	public static let illegalInstruction     = Signal(rawValue: SIGILL)
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
    |                    |- warning: static property 'busError' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'busError' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
 86 | 	/** Usually the same as `abortTrap`. */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:85:20: warning: static property 'abortTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 83 | 	public static let segmentationFault      = Signal(rawValue: SIGSEGV)
 84 | 	public static let busError               = Signal(rawValue: SIGBUS)
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
    |                    |- warning: static property 'abortTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'abortTrap' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 86 | 	/** Usually the same as `abortTrap`. */
 87 | 	public static let iot                    = Signal(rawValue: SIGIOT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:87:20: warning: static property 'iot' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 85 | 	public static let abortTrap              = Signal(rawValue: SIGABRT)
 86 | 	/** Usually the same as `abortTrap`. */
 87 | 	public static let iot                    = Signal(rawValue: SIGIOT)
    |                    |- warning: static property 'iot' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'iot' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 88 | 	public static let traceBreakpointTrap    = Signal(rawValue: SIGTRAP)
 89 | #if !os(Linux)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:88:20: warning: static property 'traceBreakpointTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 86 | 	/** Usually the same as `abortTrap`. */
 87 | 	public static let iot                    = Signal(rawValue: SIGIOT)
 88 | 	public static let traceBreakpointTrap    = Signal(rawValue: SIGTRAP)
    |                    |- warning: static property 'traceBreakpointTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'traceBreakpointTrap' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 89 | #if !os(Linux)
 90 | 	public static let emulatorTrap           = Signal(rawValue: SIGEMT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:90:20: warning: static property 'emulatorTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 88 | 	public static let traceBreakpointTrap    = Signal(rawValue: SIGTRAP)
 89 | #if !os(Linux)
 90 | 	public static let emulatorTrap           = Signal(rawValue: SIGEMT)
    |                    |- warning: static property 'emulatorTrap' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'emulatorTrap' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 91 | #endif
 92 | 	public static let badSystemCall          = Signal(rawValue: SIGSYS)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:92:20: warning: static property 'badSystemCall' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
 90 | 	public static let emulatorTrap           = Signal(rawValue: SIGEMT)
 91 | #endif
 92 | 	public static let badSystemCall          = Signal(rawValue: SIGSYS)
    |                    |- warning: static property 'badSystemCall' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'badSystemCall' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 |
 94 | 	/* *** Termination Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:108:20: warning: static property 'terminated' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
106 |
107 | 	/** “Normal” kill signal. */
108 | 	public static let terminated = Signal(rawValue: SIGTERM)
    |                    |- warning: static property 'terminated' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'terminated' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
109 | 	/** Usually `Ctrl-C`. */
110 | 	public static let interrupt  = Signal(rawValue: SIGINT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:110:20: warning: static property 'interrupt' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
108 | 	public static let terminated = Signal(rawValue: SIGTERM)
109 | 	/** Usually `Ctrl-C`. */
110 | 	public static let interrupt  = Signal(rawValue: SIGINT)
    |                    |- warning: static property 'interrupt' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'interrupt' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
111 | 	/** Used to quit w/ generation of a core dump. Usually `Ctrl-\`. */
112 | 	public static let quit       = Signal(rawValue: SIGQUIT)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:112:20: warning: static property 'quit' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
110 | 	public static let interrupt  = Signal(rawValue: SIGINT)
111 | 	/** Used to quit w/ generation of a core dump. Usually `Ctrl-\`. */
112 | 	public static let quit       = Signal(rawValue: SIGQUIT)
    |                    |- warning: static property 'quit' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'quit' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
113 | 	public static let killed     = Signal(rawValue: SIGKILL)
114 | 	/** The user’s terminal disconnected. */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:113:20: warning: static property 'killed' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
111 | 	/** Used to quit w/ generation of a core dump. Usually `Ctrl-\`. */
112 | 	public static let quit       = Signal(rawValue: SIGQUIT)
113 | 	public static let killed     = Signal(rawValue: SIGKILL)
    |                    |- warning: static property 'killed' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'killed' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
114 | 	/** The user’s terminal disconnected. */
115 | 	public static let hangup     = Signal(rawValue: SIGHUP)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:115:20: warning: static property 'hangup' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
113 | 	public static let killed     = Signal(rawValue: SIGKILL)
114 | 	/** The user’s terminal disconnected. */
115 | 	public static let hangup     = Signal(rawValue: SIGHUP)
    |                    |- warning: static property 'hangup' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'hangup' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |
117 | 	/* *** Alarm Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:128:20: warning: static property 'alarmClock' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
126 | 	}
127 |
128 | 	public static let alarmClock            = Signal(rawValue: SIGALRM)
    |                    |- warning: static property 'alarmClock' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'alarmClock' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
129 | 	public static let virtualTimerExpired   = Signal(rawValue: SIGVTALRM)
130 | 	public static let profilingTimerExpired = Signal(rawValue: SIGPROF)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:129:20: warning: static property 'virtualTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
127 |
128 | 	public static let alarmClock            = Signal(rawValue: SIGALRM)
129 | 	public static let virtualTimerExpired   = Signal(rawValue: SIGVTALRM)
    |                    |- warning: static property 'virtualTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'virtualTimerExpired' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
130 | 	public static let profilingTimerExpired = Signal(rawValue: SIGPROF)
131 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:130:20: warning: static property 'profilingTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
128 | 	public static let alarmClock            = Signal(rawValue: SIGALRM)
129 | 	public static let virtualTimerExpired   = Signal(rawValue: SIGVTALRM)
130 | 	public static let profilingTimerExpired = Signal(rawValue: SIGPROF)
    |                    |- warning: static property 'profilingTimerExpired' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'profilingTimerExpired' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |
132 | 	/* *** Asynchronous I/O Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:143:20: warning: static property 'ioPossible' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
141 | 	}
142 |
143 | 	public static let ioPossible        = Signal(rawValue: SIGIO)
    |                    |- warning: static property 'ioPossible' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'ioPossible' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
144 | 	public static let urgentIOCondition = Signal(rawValue: SIGURG)
145 | #if os(Linux)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:144:20: warning: static property 'urgentIOCondition' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
142 |
143 | 	public static let ioPossible        = Signal(rawValue: SIGIO)
144 | 	public static let urgentIOCondition = Signal(rawValue: SIGURG)
    |                    |- warning: static property 'urgentIOCondition' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'urgentIOCondition' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
145 | #if os(Linux)
146 | 	/** System V signal name, similar to SIGIO. */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:164:20: warning: static property 'childExited' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
162 | 	}
163 |
164 | 	public static let childExited       = Signal(rawValue: SIGCHLD)
    |                    |- warning: static property 'childExited' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'childExited' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
165 | 	/* Obsolete name for SIGCHLD. */
166 | //	public static let cildExited        = Signal(rawValue: SIGCLD)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:167:20: warning: static property 'continued' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
165 | 	/* Obsolete name for SIGCHLD. */
166 | //	public static let cildExited        = Signal(rawValue: SIGCLD)
167 | 	public static let continued         = Signal(rawValue: SIGCONT)
    |                    |- warning: static property 'continued' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'continued' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
168 | 	/** Suspends the program. Cannot be handled, ignored or blocked. */
169 | 	public static let suspendedBySignal = Signal(rawValue: SIGSTOP)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:169:20: warning: static property 'suspendedBySignal' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
167 | 	public static let continued         = Signal(rawValue: SIGCONT)
168 | 	/** Suspends the program. Cannot be handled, ignored or blocked. */
169 | 	public static let suspendedBySignal = Signal(rawValue: SIGSTOP)
    |                    |- warning: static property 'suspendedBySignal' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'suspendedBySignal' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
170 | 	/** Suspends the program but can be handled and ignored. Usually `Ctrl-Z`. */
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:171:20: warning: static property 'suspended' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
169 | 	public static let suspendedBySignal = Signal(rawValue: SIGSTOP)
170 | 	/** Suspends the program but can be handled and ignored. Usually `Ctrl-Z`. */
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
    |                    |- warning: static property 'suspended' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'suspended' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
172 | 	public static let stoppedTTYInput   = Signal(rawValue: SIGTTIN)
173 | 	public static let stoppedTTYOutput  = Signal(rawValue: SIGTTOU)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:172:20: warning: static property 'stoppedTTYInput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
170 | 	/** Suspends the program but can be handled and ignored. Usually `Ctrl-Z`. */
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
172 | 	public static let stoppedTTYInput   = Signal(rawValue: SIGTTIN)
    |                    |- warning: static property 'stoppedTTYInput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'stoppedTTYInput' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
173 | 	public static let stoppedTTYOutput  = Signal(rawValue: SIGTTOU)
174 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:173:20: warning: static property 'stoppedTTYOutput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
171 | 	public static let suspended         = Signal(rawValue: SIGTSTP)
172 | 	public static let stoppedTTYInput   = Signal(rawValue: SIGTTIN)
173 | 	public static let stoppedTTYOutput  = Signal(rawValue: SIGTTOU)
    |                    |- warning: static property 'stoppedTTYOutput' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'stoppedTTYOutput' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
174 |
175 | 	/* *** Operation Error Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:186:20: warning: static property 'brokenPipe' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
184 | 	}
185 |
186 | 	public static let brokenPipe            = Signal(rawValue: SIGPIPE)
    |                    |- warning: static property 'brokenPipe' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'brokenPipe' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
187 | //	public static let resourceLost          = Signal(rawValue: SIGLOST)
188 | 	public static let cputimeLimitExceeded  = Signal(rawValue: SIGXCPU)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:188:20: warning: static property 'cputimeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
186 | 	public static let brokenPipe            = Signal(rawValue: SIGPIPE)
187 | //	public static let resourceLost          = Signal(rawValue: SIGLOST)
188 | 	public static let cputimeLimitExceeded  = Signal(rawValue: SIGXCPU)
    |                    |- warning: static property 'cputimeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'cputimeLimitExceeded' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 | 	public static let filesizeLimitExceeded = Signal(rawValue: SIGXFSZ)
190 |
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:189:20: warning: static property 'filesizeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
187 | //	public static let resourceLost          = Signal(rawValue: SIGLOST)
188 | 	public static let cputimeLimitExceeded  = Signal(rawValue: SIGXCPU)
189 | 	public static let filesizeLimitExceeded = Signal(rawValue: SIGXFSZ)
    |                    |- warning: static property 'filesizeLimitExceeded' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'filesizeLimitExceeded' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
190 |
191 | 	/* *** Miscellaneous Signals *** */
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:208:20: warning: static property 'userDefinedSignal1' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
206 | 	}
207 |
208 | 	public static let userDefinedSignal1 = Signal(rawValue: SIGUSR1)
    |                    |- warning: static property 'userDefinedSignal1' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'userDefinedSignal1' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
209 | 	public static let userDefinedSignal2 = Signal(rawValue: SIGUSR2)
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:209:20: warning: static property 'userDefinedSignal2' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
207 |
208 | 	public static let userDefinedSignal1 = Signal(rawValue: SIGUSR1)
209 | 	public static let userDefinedSignal2 = Signal(rawValue: SIGUSR2)
    |                    |- warning: static property 'userDefinedSignal2' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'userDefinedSignal2' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
211 | #if !os(Linux)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:210:20: warning: static property 'windowSizeChanges' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
208 | 	public static let userDefinedSignal1 = Signal(rawValue: SIGUSR1)
209 | 	public static let userDefinedSignal2 = Signal(rawValue: SIGUSR2)
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
    |                    |- warning: static property 'windowSizeChanges' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'windowSizeChanges' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
211 | #if !os(Linux)
212 | 	public static let informationRequest = Signal(rawValue: SIGINFO)
/Users/admin/builder/spi-builder-workspace/Sources/SignalHandling/CStructsInSwift/Signal.swift:212:20: warning: static property 'informationRequest' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
  5 | /* Could be an enum?
  6 |  * I’d say no to be able to represent signals we don’t know are a part of the system. */
  7 | public struct Signal : RawRepresentable, Hashable, Codable, CaseIterable, CustomStringConvertible {
    |               `- note: consider making struct 'Signal' conform to the 'Sendable' protocol
  8 |
  9 | 	/* Signal 0 is not considered.
    :
210 | 	public static let windowSizeChanges  = Signal(rawValue: SIGWINCH)
211 | #if !os(Linux)
212 | 	public static let informationRequest = Signal(rawValue: SIGINFO)
    |                    |- warning: static property 'informationRequest' is not concurrency-safe because non-'Sendable' type 'Signal' may have shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    |                    |- note: add '@MainActor' to make static property 'informationRequest' part of global actor 'MainActor'
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
213 | #endif
214 |
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/main.swift:9:13: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 7 | struct SignalHandlingTestsHelper : ParsableCommand {
 8 |
 9 | 	static var configuration = CommandConfiguration(
   |             |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |             |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
10 | 		subcommands: [
11 | 			ManualTest.self,
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/main.swift:9:13: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 7 | struct SignalHandlingTestsHelper : ParsableCommand {
 8 |
 9 | 	static var configuration = CommandConfiguration(
   |             |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |             |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make static property 'configuration' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
10 | 		subcommands: [
11 | 			ManualTest.self,
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/ManualDispatchMemTest.swift:24:13: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
22 | struct ManualDispatchMemTest : ParsableCommand {
23 |
24 | 	static var logger: Logger?
   |             |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |             |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 |
26 | 	func run() throws {
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/ManualTest.swift:13:13: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
11 | struct ManualTest : ParsableCommand {
12 |
13 | 	static var logger: Logger?
   |             |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |             |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 |
15 | 	enum DelayMode : String, ExpressibleByArgument {
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/ManualDispatchMemTest.swift:24:13: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
22 | struct ManualDispatchMemTest : ParsableCommand {
23 |
24 | 	static var logger: Logger?
   |             |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |             |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 |
26 | 	func run() throws {
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/ManualDispatchMemTest.swift:32:24: warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
30 | 		logger.logLevel = .trace
31 | 		Self.logger = logger /* We must do this to be able to use the logger from the C handler. */
32 | 		SignalHandlingConfig.logger?.logLevel = .trace
   |                        `- warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
33 |
34 | 		let signal = Signal.interrupt
SignalHandling.SignalHandlingConfig.logger:2:19: note: static property declared here
1 | enum SignalHandlingConfig {
2 | public static var logger: Logging.Logger?}
  |                   `- note: static property declared here
3 |
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/DelaySignalUnsigaction.swift:18:24: warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
16 | 	func run() throws {
17 | 		LoggingSystem.bootstrap{ _ in CLTLogger(multilineMode: .allMultiline) }
18 | 		SignalHandlingConfig.logger?.logLevel = .trace
   |                        `- warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
19 |
20 | 		let signal = Signal(rawValue: signalNumber)
SignalHandling.SignalHandlingConfig.logger:2:19: note: static property declared here
1 | enum SignalHandlingConfig {
2 | public static var logger: Logging.Logger?}
  |                   `- note: static property declared here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/DelaySignalUnsigaction.swift:27:5: warning: capture of 'doneHandler' with non-Sendable type '(Bool) -> Void' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
25 | 			DispatchQueue.global().asyncAfter(deadline: .now() + .milliseconds(500), execute: {
26 | 				writeToStdout("allowing signal to be resent")
27 | 				doneHandler(true)
   |     |- warning: capture of 'doneHandler' with non-Sendable type '(Bool) -> Void' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
   |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
28 | 			})
29 | 		})
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/DelaySignalBlock.swift:20:24: warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | 		LoggingSystem.bootstrap{ _ in CLTLogger(multilineMode: .allMultiline) }
20 | 		SignalHandlingConfig.logger?.logLevel = .trace
   |                        `- warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
21 |
22 | 		let signal = Signal(rawValue: signalNumber)
SignalHandling.SignalHandlingConfig.logger:2:19: note: static property declared here
1 | enum SignalHandlingConfig {
2 | public static var logger: Logging.Logger?}
  |                   `- note: static property declared here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/DelaySignalBlock.swift:29:5: warning: capture of 'doneHandler' with non-Sendable type '(Bool) -> Void' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
27 | 			DispatchQueue.global().asyncAfter(deadline: .now() + .milliseconds(500), execute: {
28 | 				writeToStdout("allowing signal to be resent")
29 | 				doneHandler(true)
   |     |- warning: capture of 'doneHandler' with non-Sendable type '(Bool) -> Void' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
   |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
30 | 			})
31 | 		})
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/ManualTest.swift:13:13: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
11 | struct ManualTest : ParsableCommand {
12 |
13 | 	static var logger: Logger?
   |             |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
   |             |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make static property 'logger' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 |
15 | 	enum DelayMode : String, ExpressibleByArgument {
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/ManualTest.swift:33:24: warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
31 | 		logger.logLevel = .trace
32 | 		Self.logger = logger /* We must do this to be able to use the logger from the C handler. */
33 | 		SignalHandlingConfig.logger?.logLevel = .trace
   |                        `- warning: reference to static property 'logger' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
34 |
35 | 		try Sigaction(handler: .ansiC({ _ in Self.logger?.debug("In libxct-test-helper sigaction handler for interrupt") })).install(on: .interrupt)
SignalHandling.SignalHandlingConfig.logger:2:19: note: static property declared here
1 | enum SignalHandlingConfig {
2 | public static var logger: Logging.Logger?}
  |                   `- note: static property declared here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/signal-handling-tests-helper/ManualTest.swift:46:5: warning: capture of 'doneHandler' with non-Sendable type '(Bool) -> Void' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
44 | 			DispatchQueue.global().asyncAfter(deadline: .now() + .milliseconds(500), execute: { [logger] in
45 | 				logger.info("Allowing signal to be resent")
46 | 				doneHandler(true)
   |     |- warning: capture of 'doneHandler' with non-Sendable type '(Bool) -> Void' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
   |     `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
47 | 			})
48 | 		}
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
Build complete.
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    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
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            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
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      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-system.git"
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    {
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  ],
  "manifest_display_name" : "swift-signal-handling",
  "name" : "swift-signal-handling",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
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      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    },
    {
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    },
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  ],
  "products" : [
    {
      "name" : "SignalHandling",
      "targets" : [
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      ],
      "type" : {
        "library" : [
          "automatic"
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      }
    },
    {
      "name" : "signal-handling-tests-helper",
      "targets" : [
        "signal-handling-tests-helper"
      ],
      "type" : {
        "executable" : null
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    }
  ],
  "targets" : [
    {
      "c99name" : "signal_handling_tests_helper",
      "module_type" : "SwiftTarget",
      "name" : "signal-handling-tests-helper",
      "path" : "Sources/signal-handling-tests-helper",
      "product_dependencies" : [
        "ArgumentParser",
        "CLTLogger",
        "Logging"
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      "product_memberships" : [
        "signal-handling-tests-helper"
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      "sources" : [
        "ConditionLock.swift",
        "DelaySignalBlock.swift",
        "DelaySignalUnsigaction.swift",
        "ManualDispatchMemTest.swift",
        "ManualTest.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "SignalHandling"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SignalHandlingTests",
      "module_type" : "SwiftTarget",
      "name" : "SignalHandlingTests",
      "path" : "Tests/SignalHandlingTests",
      "product_dependencies" : [
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      "type" : "test"
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    {
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      "module_type" : "SwiftTarget",
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      "path" : "Sources/SignalHandling",
      "product_dependencies" : [
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      "product_memberships" : [
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      "sources" : [
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        "CStructsInSwift/SigactionHandler.swift",
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        "DelayedSigaction/DelayedSigaction.swift",
        "DelayedSigaction/DelayedSigactionHandler.swift",
        "DelayedSigaction/SigactionDelayer_Block.swift",
        "DelayedSigaction/SigactionDelayer_Unsig.swift",
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      "type" : "library"
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Done.