Index: base/synchronization/read_write_lock_posix.cc |
diff --git a/base/synchronization/read_write_lock_posix.cc b/base/synchronization/read_write_lock_posix.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e5de091f06e15a855de0f32c04cd45bbc07a6dca |
--- /dev/null |
+++ b/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 |