| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef INCLUDE_PERFETTO_EXT_BASE_THREAD_CHECKER_H_ |
| #define INCLUDE_PERFETTO_EXT_BASE_THREAD_CHECKER_H_ |
| |
| #include "perfetto/base/build_config.h" |
| |
| #if !PERFETTO_BUILDFLAG(PERFETTO_OS_WIN) |
| #include <pthread.h> |
| #endif |
| #include <atomic> |
| |
| #include "perfetto/base/export.h" |
| #include "perfetto/base/logging.h" |
| #include "perfetto/ext/base/utils.h" |
| |
| namespace perfetto { |
| namespace base { |
| |
| #if PERFETTO_BUILDFLAG(PERFETTO_OS_WIN) |
| using ThreadID = unsigned long; |
| #else |
| using ThreadID = pthread_t; |
| #endif |
| |
| class PERFETTO_EXPORT ThreadChecker { |
| public: |
| ThreadChecker(); |
| ~ThreadChecker(); |
| ThreadChecker(const ThreadChecker&); |
| ThreadChecker& operator=(const ThreadChecker&); |
| bool CalledOnValidThread() const PERFETTO_WARN_UNUSED_RESULT; |
| void DetachFromThread(); |
| |
| private: |
| mutable std::atomic<ThreadID> thread_id_; |
| }; |
| |
| #if PERFETTO_DCHECK_IS_ON() && !PERFETTO_BUILDFLAG(PERFETTO_CHROMIUM_BUILD) |
| // TODO(primiano) Use Chromium's thread checker in Chromium. |
| #define PERFETTO_THREAD_CHECKER(name) base::ThreadChecker name; |
| #define PERFETTO_DCHECK_THREAD(name) \ |
| PERFETTO_DCHECK((name).CalledOnValidThread()) |
| #define PERFETTO_DETACH_FROM_THREAD(name) (name).DetachFromThread() |
| #else |
| #define PERFETTO_THREAD_CHECKER(name) |
| #define PERFETTO_DCHECK_THREAD(name) |
| #define PERFETTO_DETACH_FROM_THREAD(name) |
| #endif // PERFETTO_DCHECK_IS_ON() |
| |
| } // namespace base |
| } // namespace perfetto |
| |
| #endif // INCLUDE_PERFETTO_EXT_BASE_THREAD_CHECKER_H_ |