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00705b4b2a
Functions defined in AsyncStream.cpp are called from Swift with swiftcc but are defined with the C calling convention.
39 lines
1.1 KiB
C++
39 lines
1.1 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/Runtime/Config.h"
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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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SWIFT_CC(swift)
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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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SWIFT_CC(swift)
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extern "C" void _swift_async_stream_lock_init(Mutex &lock) {
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new (&lock) Mutex();
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}
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SWIFT_CC(swift)
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extern "C" void _swift_async_stream_lock_lock(Mutex &lock) { lock.lock(); }
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SWIFT_CC(swift)
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extern "C" void _swift_async_stream_lock_unlock(Mutex &lock) { lock.unlock(); }
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}
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