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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/synchronization/read_write_lock.h"
#include "base/logging.h"
namespace base {
namespace subtle {
ReadWriteLock::ReadWriteLock() : native_handle_(PTHREAD_RWLOCK_INITIALIZER) {}
ReadWriteLock::~ReadWriteLock() {
int result = pthread_rwlock_destroy(&native_handle_);
DCHECK_EQ(result, 0) << ". " << strerror(result);
}
void ReadWriteLock::ReadAcquire() {
int result = pthread_rwlock_rdlock(&native_handle_);
DCHECK_EQ(result, 0) << ". " << strerror(result);
}
void ReadWriteLock::ReadRelease() {
int result = pthread_rwlock_unlock(&native_handle_);
DCHECK_EQ(result, 0) << ". " << strerror(result);
}
void ReadWriteLock::WriteAcquire() {
int result = pthread_rwlock_wrlock(&native_handle_);
DCHECK_EQ(result, 0) << ". " << strerror(result);
}
void ReadWriteLock::WriteRelease() {
int result = pthread_rwlock_unlock(&native_handle_);
DCHECK_EQ(result, 0) << ". " << strerror(result);
}
} // namespace subtle
} // namespace base
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