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#ifndef SkMutex_DEFINED
#define SkMutex_DEFINED
// This file is not part of the public Skia API.
#include "SkTypes.h"
#if defined(SK_BUILD_FOR_WIN)
#include "../ports/SkMutex_win.h"
#else
#include "../ports/SkMutex_pthread.h"
#endif
class SkAutoMutexAcquire : SkNoncopyable {
public:
explicit SkAutoMutexAcquire(SkBaseMutex& mutex) : fMutex(&mutex) {
SkASSERT(fMutex != NULL);
mutex.acquire();
}
explicit SkAutoMutexAcquire(SkBaseMutex* mutex) : fMutex(mutex) {
if (mutex) {
mutex->acquire();
}
}
/** If the mutex has not been released, release it now. */
~SkAutoMutexAcquire() {
if (fMutex) {
fMutex->release();
}
}
/** If the mutex has not been released, release it now. */
void release() {
if (fMutex) {
fMutex->release();
fMutex = NULL;
}
}
/** Assert that we're holding the mutex. */
void assertHeld() {
SkASSERT(fMutex);
fMutex->assertHeld();
}
private:
SkBaseMutex* fMutex;
};
#define SkAutoMutexAcquire(...) SK_REQUIRE_LOCAL_VAR(SkAutoMutexAcquire)
#endif//SkMutex_DEFINED
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