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allow SkMutex* as an alternative arg to SkAutoMutexAcquire constructor

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git-svn-id: http://skia.googlecode.com/svn/trunk@3754 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2012-04-23 16:04:22 +00:00
parent d65ad1324c
commit 064e50d495
1 changed files with 17 additions and 12 deletions
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29
include/core/SkThread.h
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@ -31,24 +31,29 @@ public:
class SkAutoMutexAcquire : SkNoncopyable {
public:
explicit SkAutoMutexAcquire(SkBaseMutex& mutex) : fMutex(&mutex)
{
explicit SkAutoMutexAcquire(SkBaseMutex& mutex) : fMutex(&mutex) {
SkASSERT(fMutex != NULL);
mutex.acquire();
}
/** If the mutex has not been release, release it now.
*/
~SkAutoMutexAcquire()
{
if (fMutex)
fMutex->release();
SkAutoMutexAcquire(SkBaseMutex* mutex) : fMutex(mutex) {
if (mutex) {
mutex->acquire();
}
}
/** If the mutex has not been release, release it now.
*/
void release()
{
if (fMutex)
{
~SkAutoMutexAcquire() {
if (fMutex) {
fMutex->release();
}
}
/** If the mutex has not been release, release it now.
*/
void release() {
if (fMutex) {
fMutex->release();
fMutex = NULL;
}