forked from mirrors/gecko-dev
5c1d5c00b9
This also does minimal refactoring of cases where the directives were protecting a simple expression that could be refactored back to the callers. Differential Revision: https://phabricator.services.mozilla.com/D184399
26 lines
627 B
C++
26 lines
627 B
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Mutex.h"
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#include <errno.h>
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#include "mozilla/Assertions.h"
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bool Mutex::TryLock() {
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#if defined(XP_WIN)
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return !!TryEnterCriticalSection(&mMutex);
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#elif defined(XP_DARWIN)
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return os_unfair_lock_trylock(&mMutex);
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#else
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switch (pthread_mutex_trylock(&mMutex)) {
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case 0:
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return true;
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case EBUSY:
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return false;
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default:
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MOZ_CRASH("pthread_mutex_trylock error.");
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}
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#endif
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}
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