blob: 9f0946ca76f87e1386219b21f8073676f3497a00 [file] [log] [blame]
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "webrtc/base/race_checker.h"
namespace rtc {
RaceChecker::RaceChecker() {}
bool RaceChecker::Acquire() const {
const PlatformThreadRef current_thread = CurrentThreadRef();
// Set new accessing thread if this is a new use.
if (access_count_++ == 0)
accessing_thread_ = current_thread;
// If this is being used concurrently this check will fail for the second
// thread entering since it won't set the thread. Recursive use of checked
// methods are OK since the accessing thread remains the same.
const PlatformThreadRef accessing_thread = accessing_thread_;
return IsThreadRefEqual(accessing_thread, current_thread);
void RaceChecker::Release() const {
namespace internal {
RaceCheckerScope::RaceCheckerScope(const RaceChecker* race_checker)
: race_checker_(race_checker), race_check_ok_(race_checker->Acquire()) {}
bool RaceCheckerScope::RaceDetected() const {
return !race_check_ok_;
RaceCheckerScope::~RaceCheckerScope() {
} // namespace internal
} // namespace rtc