|  | /* | 
|  | *  Copyright 2019 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. | 
|  | */ | 
|  |  | 
|  | #ifndef RTC_BASE_SYSTEM_THREAD_REGISTRY_H_ | 
|  | #define RTC_BASE_SYSTEM_THREAD_REGISTRY_H_ | 
|  |  | 
|  | #include "rtc_base/location.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | class ScopedRegisterThreadForDebugging { | 
|  | public: | 
|  | #if defined(WEBRTC_ANDROID) && !defined(WEBRTC_CHROMIUM_BUILD) | 
|  | explicit ScopedRegisterThreadForDebugging(rtc::Location location); | 
|  | ~ScopedRegisterThreadForDebugging(); | 
|  | #else | 
|  | explicit ScopedRegisterThreadForDebugging(rtc::Location) {} | 
|  | #endif | 
|  |  | 
|  | // Not movable or copyable, because we can't duplicate the resource it owns, | 
|  | // and it needs a constant address. | 
|  | ScopedRegisterThreadForDebugging(const ScopedRegisterThreadForDebugging&) = | 
|  | delete; | 
|  | ScopedRegisterThreadForDebugging(ScopedRegisterThreadForDebugging&&) = delete; | 
|  | ScopedRegisterThreadForDebugging& operator=( | 
|  | const ScopedRegisterThreadForDebugging&) = delete; | 
|  | ScopedRegisterThreadForDebugging& operator=( | 
|  | ScopedRegisterThreadForDebugging&&) = delete; | 
|  | }; | 
|  |  | 
|  | #if defined(WEBRTC_ANDROID) && !defined(WEBRTC_CHROMIUM_BUILD) | 
|  | void PrintStackTracesOfRegisteredThreads(); | 
|  | #else | 
|  | inline void PrintStackTracesOfRegisteredThreads() {} | 
|  | #endif | 
|  |  | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // RTC_BASE_SYSTEM_THREAD_REGISTRY_H_ |