Add support for FreeBSD

Author: kkebo

Sources/Logging/Locks.swift

@@ -54,6 +54,9 @@ internal final class Lock: @unchecked Sendable {
     #elseif os(Windows)
     fileprivate let mutex: UnsafeMutablePointer<SRWLOCK> =
         UnsafeMutablePointer.allocate(capacity: 1)
+    #elseif os(FreeBSD) || os(OpenBSD)
+    fileprivate let mutex: UnsafeMutablePointer<pthread_mutex_t?> =
+        UnsafeMutablePointer.allocate(capacity: 1)
     #else
     fileprivate let mutex: UnsafeMutablePointer<pthread_mutex_t> =
         UnsafeMutablePointer.allocate(capacity: 1)
@@ -66,9 +69,17 @@ internal final class Lock: @unchecked Sendable {
         #elseif os(Windows)
         InitializeSRWLock(self.mutex)
         #else
+        #if os(FreeBSD) || os(OpenBSD)
+        var attr = pthread_mutexattr_t(bitPattern: 0)
+        #else
         var attr = pthread_mutexattr_t()
+        #endif
         pthread_mutexattr_init(&attr)
+        #if os(FreeBSD) || os(OpenBSD)
+        pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK.rawValue))
+        #else
         pthread_mutexattr_settype(&attr, .init(PTHREAD_MUTEX_ERRORCHECK))
+        #endif
 
         let err = pthread_mutex_init(self.mutex, &attr)
         precondition(err == 0, "\(#function) failed in pthread_mutex with error \(err)")
@@ -157,6 +168,9 @@ internal final class ReadWriteLock: @unchecked Sendable {
     fileprivate let rwlock: UnsafeMutablePointer<SRWLOCK> =
         UnsafeMutablePointer.allocate(capacity: 1)
     fileprivate var shared: Bool = true
+    #elseif os(FreeBSD) || os(OpenBSD)
+    fileprivate let rwlock: UnsafeMutablePointer<pthread_rwlock_t?> =
+        UnsafeMutablePointer.allocate(capacity: 1)
     #else
     fileprivate let rwlock: UnsafeMutablePointer<pthread_rwlock_t> =
         UnsafeMutablePointer.allocate(capacity: 1)

Sources/Logging/Logging.swift

@@ -1355,7 +1355,11 @@ internal struct StdioOutputStream: TextOutputStream, @unchecked Sendable {
         #elseif os(Windows)
         let systemStderr = CRT.stderr
         #elseif canImport(Glibc)
+        #if os(FreeBSD) || os(OpenBSD)
+        let systemStderr = Glibc.stderr
+        #else
         let systemStderr = Glibc.stderr!
+        #endif
         #elseif canImport(Android)
         let systemStderr = Android.stderr
         #elseif canImport(Musl)
@@ -1375,7 +1379,11 @@ internal struct StdioOutputStream: TextOutputStream, @unchecked Sendable {
         #elseif os(Windows)
         let systemStdout = CRT.stdout
         #elseif canImport(Glibc)
+        #if os(FreeBSD) || os(OpenBSD)
+        let systemStdout = Glibc.stdout
+        #else
         let systemStdout = Glibc.stdout!
+        #endif
         #elseif canImport(Android)
         let systemStdout = Android.stdout
         #elseif canImport(Musl)

Tests/LoggingTests/TestLogger.swift

@@ -375,6 +375,8 @@ public class MDC {
         return Int(pthread_mach_thread_np(pthread_self()))
         #elseif os(Windows)
         return Int(GetCurrentThreadId())
+        #elseif os(FreeBSD) || os(OpenBSD)
+        return Int(pthread_getthreadid_np())
         #else
         return Int(pthread_self())
         #endif