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f5bdb858e0
Moved all the threading code to one place. Added explicit support for Darwin, Linux, Pthreads, C11 threads and Win32 threads, including new implementations of Once for Linux, Pthreads, C11 and Win32. rdar://90776105
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
//===--- AsyncStream.cpp - Multi-resume locking interface -----------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include <new>
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#include "swift/Threading/Mutex.h"
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namespace swift {
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// return the size in words for the given mutex primitive
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extern "C"
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size_t _swift_async_stream_lock_size() {
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size_t words = sizeof(Mutex) / sizeof(void *);
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if (words < 1) { return 1; }
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return words;
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}
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extern "C"
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void _swift_async_stream_lock_init(Mutex &lock) {
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new (&lock) Mutex();
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}
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extern "C"
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void _swift_async_stream_lock_lock(Mutex &lock) {
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lock.lock();
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}
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extern "C"
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void _swift_async_stream_lock_unlock(Mutex &lock) {
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lock.unlock();
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}
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}
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