diff options
Diffstat (limited to 'chromium/base/synchronization/read_write_lock_posix.cc')
-rw-r--r-- | chromium/base/synchronization/read_write_lock_posix.cc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/chromium/base/synchronization/read_write_lock_posix.cc b/chromium/base/synchronization/read_write_lock_posix.cc new file mode 100644 index 00000000000..e5de091f06e --- /dev/null +++ b/chromium/base/synchronization/read_write_lock_posix.cc @@ -0,0 +1,40 @@ +// 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 |