mtklein | a64c48f | 2015-01-21 13:13:31 -0800 | [diff] [blame] | 1 | #ifndef SkMutex_DEFINED |
| 2 | #define SkMutex_DEFINED |
| 3 | |
| 4 | // This file is not part of the public Skia API. |
| 5 | #include "SkTypes.h" |
| 6 | |
| 7 | #if defined(SK_BUILD_FOR_WIN) |
| 8 | #include "../ports/SkMutex_win.h" |
| 9 | #else |
| 10 | #include "../ports/SkMutex_pthread.h" |
| 11 | #endif |
| 12 | |
mtklein | a669bc7 | 2015-02-02 12:22:07 -0800 | [diff] [blame] | 13 | class SkAutoMutexAcquire : SkNoncopyable { |
| 14 | public: |
| 15 | explicit SkAutoMutexAcquire(SkBaseMutex& mutex) : fMutex(&mutex) { |
| 16 | SkASSERT(fMutex != NULL); |
| 17 | mutex.acquire(); |
| 18 | } |
| 19 | |
| 20 | explicit SkAutoMutexAcquire(SkBaseMutex* mutex) : fMutex(mutex) { |
| 21 | if (mutex) { |
| 22 | mutex->acquire(); |
| 23 | } |
| 24 | } |
| 25 | |
| 26 | /** If the mutex has not been released, release it now. */ |
| 27 | ~SkAutoMutexAcquire() { |
| 28 | if (fMutex) { |
| 29 | fMutex->release(); |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | /** If the mutex has not been released, release it now. */ |
| 34 | void release() { |
| 35 | if (fMutex) { |
| 36 | fMutex->release(); |
| 37 | fMutex = NULL; |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | /** Assert that we're holding the mutex. */ |
| 42 | void assertHeld() { |
| 43 | SkASSERT(fMutex); |
| 44 | fMutex->assertHeld(); |
| 45 | } |
| 46 | |
| 47 | private: |
| 48 | SkBaseMutex* fMutex; |
| 49 | }; |
| 50 | #define SkAutoMutexAcquire(...) SK_REQUIRE_LOCAL_VAR(SkAutoMutexAcquire) |
| 51 | |
| 52 | |
mtklein | a64c48f | 2015-01-21 13:13:31 -0800 | [diff] [blame] | 53 | #endif//SkMutex_DEFINED |