The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/utils/SkCondVar.cpp
gfx/skia/trunk/src/utils/SkCondVar.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:449b2752db2d |
|---|---|
| 1 /* | |
| 2 * Copyright 2012 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #include "SkCondVar.h" | |
| 9 | |
| 10 SkCondVar::SkCondVar() { | |
| 11 #ifdef SK_USE_POSIX_THREADS | |
| 12 pthread_mutex_init(&fMutex, NULL /* default mutex attr */); | |
| 13 pthread_cond_init(&fCond, NULL /* default cond attr */); | |
| 14 #elif defined(SK_BUILD_FOR_WIN32) | |
| 15 InitializeCriticalSection(&fCriticalSection); | |
| 16 InitializeConditionVariable(&fCondition); | |
| 17 #endif | |
| 18 } | |
| 19 | |
| 20 SkCondVar::~SkCondVar() { | |
| 21 #ifdef SK_USE_POSIX_THREADS | |
| 22 pthread_mutex_destroy(&fMutex); | |
| 23 pthread_cond_destroy(&fCond); | |
| 24 #elif defined(SK_BUILD_FOR_WIN32) | |
| 25 DeleteCriticalSection(&fCriticalSection); | |
| 26 // No need to clean up fCondition. | |
| 27 #endif | |
| 28 } | |
| 29 | |
| 30 void SkCondVar::lock() { | |
| 31 #ifdef SK_USE_POSIX_THREADS | |
| 32 pthread_mutex_lock(&fMutex); | |
| 33 #elif defined(SK_BUILD_FOR_WIN32) | |
| 34 EnterCriticalSection(&fCriticalSection); | |
| 35 #endif | |
| 36 } | |
| 37 | |
| 38 void SkCondVar::unlock() { | |
| 39 #ifdef SK_USE_POSIX_THREADS | |
| 40 pthread_mutex_unlock(&fMutex); | |
| 41 #elif defined(SK_BUILD_FOR_WIN32) | |
| 42 LeaveCriticalSection(&fCriticalSection); | |
| 43 #endif | |
| 44 } | |
| 45 | |
| 46 void SkCondVar::wait() { | |
| 47 #ifdef SK_USE_POSIX_THREADS | |
| 48 pthread_cond_wait(&fCond, &fMutex); | |
| 49 #elif defined(SK_BUILD_FOR_WIN32) | |
| 50 SleepConditionVariableCS(&fCondition, &fCriticalSection, INFINITE); | |
| 51 #endif | |
| 52 } | |
| 53 | |
| 54 void SkCondVar::signal() { | |
| 55 #ifdef SK_USE_POSIX_THREADS | |
| 56 pthread_cond_signal(&fCond); | |
| 57 #elif defined(SK_BUILD_FOR_WIN32) | |
| 58 WakeConditionVariable(&fCondition); | |
| 59 #endif | |
| 60 } | |
| 61 | |
| 62 void SkCondVar::broadcast() { | |
| 63 #ifdef SK_USE_POSIX_THREADS | |
| 64 pthread_cond_broadcast(&fCond); | |
| 65 #elif defined(SK_BUILD_FOR_WIN32) | |
| 66 WakeAllConditionVariable(&fCondition); | |
| 67 #endif | |
| 68 } |
