The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/ports/SkMutex_win.h
gfx/skia/trunk/src/ports/SkMutex_win.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:a5c36590d6a5 |
|---|---|
| 1 /* | |
| 2 * Copyright 2013 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 #ifndef SkMutex_win_DEFINED | |
| 9 #define SkMutex_win_DEFINED | |
| 10 | |
| 11 /** Windows CriticalSection based mutex. */ | |
| 12 | |
| 13 #ifndef WIN32_LEAN_AND_MEAN | |
| 14 # define WIN32_LEAN_AND_MEAN | |
| 15 # define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED | |
| 16 #endif | |
| 17 #ifndef NOMINMAX | |
| 18 # define NOMINMAX | |
| 19 # define NOMINMAX_WAS_LOCALLY_DEFINED | |
| 20 #endif | |
| 21 # | |
| 22 #include <windows.h> | |
| 23 # | |
| 24 #ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED | |
| 25 # undef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED | |
| 26 # undef WIN32_LEAN_AND_MEAN | |
| 27 #endif | |
| 28 #ifdef NOMINMAX_WAS_LOCALLY_DEFINED | |
| 29 # undef NOMINMAX_WAS_LOCALLY_DEFINED | |
| 30 # undef NOMINMAX | |
| 31 #endif | |
| 32 | |
| 33 // On Windows, SkBaseMutex and SkMutex are the same thing, | |
| 34 // we can't easily get rid of static initializers. | |
| 35 class SkMutex { | |
| 36 public: | |
| 37 SkMutex() { | |
| 38 InitializeCriticalSection(&fStorage); | |
| 39 } | |
| 40 | |
| 41 ~SkMutex() { | |
| 42 DeleteCriticalSection(&fStorage); | |
| 43 } | |
| 44 | |
| 45 void acquire() { | |
| 46 EnterCriticalSection(&fStorage); | |
| 47 } | |
| 48 | |
| 49 void release() { | |
| 50 LeaveCriticalSection(&fStorage); | |
| 51 } | |
| 52 | |
| 53 private: | |
| 54 SkMutex(const SkMutex&); | |
| 55 SkMutex& operator=(const SkMutex&); | |
| 56 | |
| 57 CRITICAL_SECTION fStorage; | |
| 58 }; | |
| 59 | |
| 60 typedef SkMutex SkBaseMutex; | |
| 61 | |
| 62 // Windows currently provides no documented means of POD initializing a CRITICAL_SECTION. | |
| 63 #define SK_DECLARE_STATIC_MUTEX(name) static SkBaseMutex name | |
| 64 #define SK_DECLARE_GLOBAL_MUTEX(name) SkBaseMutex name | |
| 65 | |
| 66 #endif |
