Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
       3             :  *
       4             :  *  Use of this source code is governed by a BSD-style license
       5             :  *  that can be found in the LICENSE file in the root of the source
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : // Borrowed from Chromium's src/base/threading/thread_checker_impl.cc.
      12             : 
      13             : #include "webrtc/base/thread_checker_impl.h"
      14             : 
      15             : #include "webrtc/base/platform_thread.h"
      16             : 
      17             : namespace rtc {
      18             : 
      19           0 : ThreadCheckerImpl::ThreadCheckerImpl() : valid_thread_(CurrentThreadRef()) {
      20           0 : }
      21             : 
      22           0 : ThreadCheckerImpl::~ThreadCheckerImpl() {
      23           0 : }
      24             : 
      25           0 : bool ThreadCheckerImpl::CalledOnValidThread() const {
      26           0 :   const PlatformThreadRef current_thread = CurrentThreadRef();
      27           0 :   CritScope scoped_lock(&lock_);
      28           0 :   if (!valid_thread_)  // Set if previously detached.
      29           0 :     valid_thread_ = current_thread;
      30           0 :   return IsThreadRefEqual(valid_thread_, current_thread);
      31             : }
      32             : 
      33           0 : void ThreadCheckerImpl::DetachFromThread() {
      34           0 :   CritScope scoped_lock(&lock_);
      35           0 :   valid_thread_ = 0;
      36           0 : }
      37             : 
      38             : }  // namespace rtc