// Copyright 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/synchronization/condition_variable.h"
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#include "base/logging.h"
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namespace base {
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ConditionVariable::ConditionVariable(Lock* user_lock)
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: user_mutex_(user_lock->lock_.native_handle())
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#ifndef NDEBUG
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, user_lock_(user_lock)
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#endif
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{
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int rv = 0;
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rv = pthread_cond_init(&condition_, NULL);
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DCHECK_EQ(0, rv);
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}
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ConditionVariable::~ConditionVariable() {
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int rv = pthread_cond_destroy(&condition_);
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DCHECK_EQ(0, rv);
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}
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void ConditionVariable::Wait() {
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#ifndef NDEBUG
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user_lock_->CheckHeldAndUnmark();
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#endif
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int rv = pthread_cond_wait(&condition_, user_mutex_);
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DCHECK_EQ(0, rv);
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#ifndef NDEBUG
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user_lock_->CheckUnheldAndMark();
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#endif
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}
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void ConditionVariable::Broadcast() {
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int rv = pthread_cond_broadcast(&condition_);
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DCHECK_EQ(0, rv);
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}
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void ConditionVariable::Signal() {
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int rv = pthread_cond_signal(&condition_);
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DCHECK_EQ(0, rv);
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}
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} // namespace base
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