gfx/skia/trunk/src/utils/SkCondVar.cpp@deefc01c0e14
gfx/skia/trunk/src/utils/SkCondVar.cpp
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
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 */
8 #include "SkCondVar.h"
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 }
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 }
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 }
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 }
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 }
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 }
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 }
