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.h. 12 13 #ifndef WEBRTC_BASE_THREAD_CHECKER_IMPL_H_ 14 #define WEBRTC_BASE_THREAD_CHECKER_IMPL_H_ 15 16 #include "webrtc/base/criticalsection.h" 17 #include "webrtc/base/platform_thread_types.h" 18 19 namespace rtc { 20 21 // Real implementation of ThreadChecker, for use in debug mode, or 22 // for temporary use in release mode (e.g. to RTC_CHECK on a threading issue 23 // seen only in the wild). 24 // 25 // Note: You should almost always use the ThreadChecker class to get the 26 // right version for your build configuration. 27 class ThreadCheckerImpl { 28 public: 29 ThreadCheckerImpl(); 30 ~ThreadCheckerImpl(); 31 32 bool CalledOnValidThread() const; 33 34 // Changes the thread that is checked for in CalledOnValidThread. This may 35 // be useful when an object may be created on one thread and then used 36 // exclusively on another thread. 37 void DetachFromThread(); 38 39 private: 40 mutable CriticalSection lock_; 41 // This is mutable so that CalledOnValidThread can set it. 42 // It's guarded by |lock_|. 43 mutable PlatformThreadRef valid_thread_; 44 }; 45 46 } // namespace rtc 47 48 #endif // WEBRTC_BASE_THREAD_CHECKER_IMPL_H_ 49
