The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/skia/trunk/src/utils/SkCondVar.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,68 @@
     1.4 +/*
     1.5 + * Copyright 2012 Google Inc.
     1.6 + *
     1.7 + * Use of this source code is governed by a BSD-style license that can be
     1.8 + * found in the LICENSE file.
     1.9 + */
    1.10 +
    1.11 +#include "SkCondVar.h"
    1.12 +
    1.13 +SkCondVar::SkCondVar() {
    1.14 +#ifdef SK_USE_POSIX_THREADS
    1.15 +    pthread_mutex_init(&fMutex, NULL /* default mutex attr */);
    1.16 +    pthread_cond_init(&fCond, NULL /* default cond attr */);
    1.17 +#elif defined(SK_BUILD_FOR_WIN32)
    1.18 +    InitializeCriticalSection(&fCriticalSection);
    1.19 +    InitializeConditionVariable(&fCondition);
    1.20 +#endif
    1.21 +}
    1.22 +
    1.23 +SkCondVar::~SkCondVar() {
    1.24 +#ifdef SK_USE_POSIX_THREADS
    1.25 +    pthread_mutex_destroy(&fMutex);
    1.26 +    pthread_cond_destroy(&fCond);
    1.27 +#elif defined(SK_BUILD_FOR_WIN32)
    1.28 +    DeleteCriticalSection(&fCriticalSection);
    1.29 +    // No need to clean up fCondition.
    1.30 +#endif
    1.31 +}
    1.32 +
    1.33 +void SkCondVar::lock() {
    1.34 +#ifdef SK_USE_POSIX_THREADS
    1.35 +    pthread_mutex_lock(&fMutex);
    1.36 +#elif defined(SK_BUILD_FOR_WIN32)
    1.37 +    EnterCriticalSection(&fCriticalSection);
    1.38 +#endif
    1.39 +}
    1.40 +
    1.41 +void SkCondVar::unlock() {
    1.42 +#ifdef SK_USE_POSIX_THREADS
    1.43 +    pthread_mutex_unlock(&fMutex);
    1.44 +#elif defined(SK_BUILD_FOR_WIN32)
    1.45 +    LeaveCriticalSection(&fCriticalSection);
    1.46 +#endif
    1.47 +}
    1.48 +
    1.49 +void SkCondVar::wait() {
    1.50 +#ifdef SK_USE_POSIX_THREADS
    1.51 +    pthread_cond_wait(&fCond, &fMutex);
    1.52 +#elif defined(SK_BUILD_FOR_WIN32)
    1.53 +    SleepConditionVariableCS(&fCondition, &fCriticalSection, INFINITE);
    1.54 +#endif
    1.55 +}
    1.56 +
    1.57 +void SkCondVar::signal() {
    1.58 +#ifdef SK_USE_POSIX_THREADS
    1.59 +    pthread_cond_signal(&fCond);
    1.60 +#elif defined(SK_BUILD_FOR_WIN32)
    1.61 +    WakeConditionVariable(&fCondition);
    1.62 +#endif
    1.63 +}
    1.64 +
    1.65 +void SkCondVar::broadcast() {
    1.66 +#ifdef SK_USE_POSIX_THREADS
    1.67 +    pthread_cond_broadcast(&fCond);
    1.68 +#elif defined(SK_BUILD_FOR_WIN32)
    1.69 +    WakeAllConditionVariable(&fCondition);
    1.70 +#endif
    1.71 +}