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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 // Borrowed from Chromium's src/base/threading/thread_checker.h. | 11 // Borrowed from Chromium's src/base/threading/thread_checker.h. |
12 | 12 |
13 #ifndef WEBRTC_RTC_BASE_THREAD_CHECKER_H_ | 13 #ifndef WEBRTC_RTC_BASE_THREAD_CHECKER_H_ |
14 #define WEBRTC_RTC_BASE_THREAD_CHECKER_H_ | 14 #define WEBRTC_RTC_BASE_THREAD_CHECKER_H_ |
15 | 15 |
16 // Apart from debug builds, we also enable the thread checker in | 16 // Apart from debug builds, we also enable the thread checker in |
17 // builds with RTC_DCHECK_IS_ON so that trybots and waterfall bots | 17 // builds with RTC_DCHECK_IS_ON so that trybots and waterfall bots |
18 // with this define will get the same level of thread checking as | 18 // with this define will get the same level of thread checking as |
19 // debug bots. | 19 // debug bots. |
20 #define ENABLE_THREAD_CHECKER RTC_DCHECK_IS_ON | 20 #define RTC_ENABLE_THREAD_CHECKER RTC_DCHECK_IS_ON |
21 | 21 |
22 #include "webrtc/rtc_base/checks.h" | 22 #include "webrtc/rtc_base/checks.h" |
23 #include "webrtc/rtc_base/constructormagic.h" | 23 #include "webrtc/rtc_base/constructormagic.h" |
24 #include "webrtc/rtc_base/thread_annotations.h" | 24 #include "webrtc/rtc_base/thread_annotations.h" |
25 #include "webrtc/rtc_base/thread_checker_impl.h" | 25 #include "webrtc/rtc_base/thread_checker_impl.h" |
26 | 26 |
27 namespace rtc { | 27 namespace rtc { |
28 | 28 |
29 // Do nothing implementation, for use in release mode. | 29 // Do nothing implementation, for use in release mode. |
30 // | 30 // |
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63 // void Foo() { | 63 // void Foo() { |
64 // RTC_DCHECK(thread_checker_.CalledOnValidThread()); | 64 // RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
65 // ... (do stuff) ... | 65 // ... (do stuff) ... |
66 // } | 66 // } |
67 // | 67 // |
68 // private: | 68 // private: |
69 // ThreadChecker thread_checker_; | 69 // ThreadChecker thread_checker_; |
70 // } | 70 // } |
71 // | 71 // |
72 // In Release mode, CalledOnValidThread will always return true. | 72 // In Release mode, CalledOnValidThread will always return true. |
73 #if ENABLE_THREAD_CHECKER | 73 #if RTC_ENABLE_THREAD_CHECKER |
74 class RTC_LOCKABLE ThreadChecker : public ThreadCheckerImpl {}; | 74 class RTC_LOCKABLE ThreadChecker : public ThreadCheckerImpl {}; |
75 #else | 75 #else |
76 class RTC_LOCKABLE ThreadChecker : public ThreadCheckerDoNothing {}; | 76 class RTC_LOCKABLE ThreadChecker : public ThreadCheckerDoNothing {}; |
77 #endif // ENABLE_THREAD_CHECKER | 77 #endif // RTC_ENABLE_THREAD_CHECKER |
78 | 78 |
79 #undef ENABLE_THREAD_CHECKER | 79 #undef RTC_ENABLE_THREAD_CHECKER |
80 | 80 |
81 namespace internal { | 81 namespace internal { |
82 class RTC_SCOPED_LOCKABLE AnnounceOnThread { | 82 class RTC_SCOPED_LOCKABLE AnnounceOnThread { |
83 public: | 83 public: |
84 template <typename ThreadLikeObject> | 84 template <typename ThreadLikeObject> |
85 explicit AnnounceOnThread(const ThreadLikeObject* thread_like_object) | 85 explicit AnnounceOnThread(const ThreadLikeObject* thread_like_object) |
86 RTC_EXCLUSIVE_LOCK_FUNCTION(thread_like_object) {} | 86 RTC_EXCLUSIVE_LOCK_FUNCTION(thread_like_object) {} |
87 ~AnnounceOnThread() RTC_UNLOCK_FUNCTION() {} | 87 ~AnnounceOnThread() RTC_UNLOCK_FUNCTION() {} |
88 | 88 |
89 template<typename ThreadLikeObject> | 89 template<typename ThreadLikeObject> |
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157 // rtc::scoped_ref_ptr<Encoder> encoder = encoder_; | 157 // rtc::scoped_ref_ptr<Encoder> encoder = encoder_; |
158 // encoder_->Queue()->PostTask([encoder] { encoder->Encode(); }); | 158 // encoder_->Queue()->PostTask([encoder] { encoder->Encode(); }); |
159 // } | 159 // } |
160 // | 160 // |
161 // private: | 161 // private: |
162 // rtc::scoped_ref_ptr<Encoder> encoder_; | 162 // rtc::scoped_ref_ptr<Encoder> encoder_; |
163 // } | 163 // } |
164 | 164 |
165 // Document if a variable/field is not shared and should be accessed from | 165 // Document if a variable/field is not shared and should be accessed from |
166 // same thread/task queue. | 166 // same thread/task queue. |
167 #define ACCESS_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x)) | |
168 #define RTC_ACCESS_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x)) | 167 #define RTC_ACCESS_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x)) |
169 | 168 |
170 // Document if a function expected to be called from same thread/task queue. | 169 // Document if a function expected to be called from same thread/task queue. |
171 #define RUN_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(exclusive_locks_required(x)) | |
172 #define RTC_RUN_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(exclusive_locks_required
(x)) | 170 #define RTC_RUN_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(exclusive_locks_required
(x)) |
173 | 171 |
174 #define RTC_DCHECK_RUN_ON(thread_like_object) \ | 172 #define RTC_DCHECK_RUN_ON(thread_like_object) \ |
175 rtc::internal::AnnounceOnThread thread_announcer(thread_like_object); \ | 173 rtc::internal::AnnounceOnThread thread_announcer(thread_like_object); \ |
176 RTC_DCHECK(rtc::internal::AnnounceOnThread::IsCurrent(thread_like_object)) | 174 RTC_DCHECK(rtc::internal::AnnounceOnThread::IsCurrent(thread_like_object)) |
177 | 175 |
178 #endif // WEBRTC_RTC_BASE_THREAD_CHECKER_H_ | 176 #endif // WEBRTC_RTC_BASE_THREAD_CHECKER_H_ |
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