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1 /* | 1 /* |
2 * Copyright (C) 2010, Google Inc. All rights reserved. | 2 * Copyright (C) 2010, Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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35 | 35 |
36 namespace blink { | 36 namespace blink { |
37 | 37 |
38 void DeferredTaskHandler::lock() | 38 void DeferredTaskHandler::lock() |
39 { | 39 { |
40 // Don't allow regular lock in real-time audio thread. | 40 // Don't allow regular lock in real-time audio thread. |
41 ASSERT(isMainThread()); | 41 ASSERT(isMainThread()); |
42 m_contextGraphMutex.lock(); | 42 m_contextGraphMutex.lock(); |
43 } | 43 } |
44 | 44 |
45 void DeferredTaskHandler::forceLock() | |
46 { | |
47 // This allows the regular lock in non-real-time audio thread. | |
Raymond Toy
2015/06/16 17:57:09
I think this can only be used with an online conte
hongchan
2015/06/16 21:31:21
No. This lock is only for offline audio context. M
Raymond Toy
2015/06/16 21:46:38
Typo on my part. I meant offline. I think since i
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48 ASSERT(!isMainThread()); | |
49 if (isMainThread()) { | |
Raymond Toy
2015/06/16 17:57:09
This is confusing. You ASSERT that it's not the m
hongchan
2015/06/16 21:31:20
I though we discussed this: for debug build, the a
Raymond Toy
2015/06/16 21:46:38
As we discussed offline, this is ok. But now I wo
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50 // If this gets called in the main thread, do tryLock() instead. | |
51 m_contextGraphMutex.tryLock(); | |
52 return; | |
53 } | |
54 | |
55 m_contextGraphMutex.lock(); | |
56 } | |
57 | |
45 bool DeferredTaskHandler::tryLock() | 58 bool DeferredTaskHandler::tryLock() |
46 { | 59 { |
47 // Try to catch cases of using try lock on main thread | 60 // Try to catch cases of using try lock on main thread |
48 // - it should use regular lock. | 61 // - it should use regular lock. |
49 ASSERT(isAudioThread()); | 62 ASSERT(isAudioThread()); |
50 if (!isAudioThread()) { | 63 if (!isAudioThread()) { |
51 // In release build treat tryLock() as lock() (since above | 64 // In release build treat tryLock() as lock() (since above |
52 // ASSERT(isAudioThread) never fires) - this is the best we can do. | 65 // ASSERT(isAudioThread) never fires) - this is the best we can do. |
53 lock(); | 66 lock(); |
54 return true; | 67 return true; |
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267 { | 280 { |
268 ASSERT(isMainThread()); | 281 ASSERT(isMainThread()); |
269 AutoLocker locker(*this); | 282 AutoLocker locker(*this); |
270 m_renderingOrphanHandlers.clear(); | 283 m_renderingOrphanHandlers.clear(); |
271 m_deletableOrphanHandlers.clear(); | 284 m_deletableOrphanHandlers.clear(); |
272 } | 285 } |
273 | 286 |
274 } // namespace blink | 287 } // namespace blink |
275 | 288 |
276 #endif // ENABLE(WEB_AUDIO) | 289 #endif // ENABLE(WEB_AUDIO) |
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