From 12a031bcc1284c64d6b847f5013ffe6dcca964d0 Mon Sep 17 00:00:00 2001
From: Si Beaumont <simonjbeaumont@gmail.com>
Date: Wed, 8 May 2024 17:08:21 +0100
Subject: [PATCH] Support compiling against Musl (#182)

---
 Sources/ConcurrencyHelpers/Lock.swift         | 4 +++-
 Sources/UnixSignals/UnixSignal.swift          | 2 ++
 Sources/UnixSignals/UnixSignalsSequence.swift | 3 +++
 Tests/UnixSignalsTests/UnixSignalTests.swift  | 2 ++
 4 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Sources/ConcurrencyHelpers/Lock.swift b/Sources/ConcurrencyHelpers/Lock.swift
index af59694..c3e3686 100644
--- a/Sources/ConcurrencyHelpers/Lock.swift
+++ b/Sources/ConcurrencyHelpers/Lock.swift
@@ -31,8 +31,10 @@ import Darwin
 #elseif os(Windows)
 import ucrt
 import WinSDK
-#else
+#elseif canImport(Glibc)
 import Glibc
+#elseif canImport(Musl)
+import Musl
 #endif
 
 #if os(Windows)
diff --git a/Sources/UnixSignals/UnixSignal.swift b/Sources/UnixSignals/UnixSignal.swift
index 1390a5d..3ddbfff 100644
--- a/Sources/UnixSignals/UnixSignal.swift
+++ b/Sources/UnixSignals/UnixSignal.swift
@@ -16,6 +16,8 @@
 import Darwin
 #elseif canImport(Glibc)
 import Glibc
+#elseif canImport(Musl)
+import Musl
 #endif
 import Dispatch
 
diff --git a/Sources/UnixSignals/UnixSignalsSequence.swift b/Sources/UnixSignals/UnixSignalsSequence.swift
index 029adf8..9664e47 100644
--- a/Sources/UnixSignals/UnixSignalsSequence.swift
+++ b/Sources/UnixSignals/UnixSignalsSequence.swift
@@ -18,6 +18,9 @@ import Dispatch
 #elseif canImport(Glibc)
 @preconcurrency import Dispatch
 import Glibc
+#elseif canImport(Musl)
+@preconcurrency import Dispatch
+import Musl
 #endif
 import ConcurrencyHelpers
 
diff --git a/Tests/UnixSignalsTests/UnixSignalTests.swift b/Tests/UnixSignalsTests/UnixSignalTests.swift
index 04d9101..5d2dd43 100644
--- a/Tests/UnixSignalsTests/UnixSignalTests.swift
+++ b/Tests/UnixSignalsTests/UnixSignalTests.swift
@@ -18,6 +18,8 @@ import XCTest
 import Darwin
 #elseif canImport(Glibc)
 import Glibc
+#elseif canImport(Musl)
+import Musl
 #endif
 
 final class UnixSignalTests: XCTestCase {