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 ThreadCheckerImpl::ThreadCheckerImpl() : valid_thread_(CurrentThreadRef()) { 20 } 21 22 ThreadCheckerImpl::~ThreadCheckerImpl() { 23 } 24 25 bool ThreadCheckerImpl::CalledOnValidThread() const { 26 const PlatformThreadRef current_thread = CurrentThreadRef(); 27 CritScope scoped_lock(&lock_); 28 if (!valid_thread_) // Set if previously detached. 29 valid_thread_ = current_thread; 30 return IsThreadRefEqual(valid_thread_, current_thread); 31 } 32 33 void ThreadCheckerImpl::DetachFromThread() { 34 CritScope scoped_lock(&lock_); 35 valid_thread_ = 0; 36 } 37 38 } // namespace rtc 39
