AuroraMiddleware/skia2
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Create a template AutoTAcquire, and specialize an SkMutex version.

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Add copyright notice.

BUG=skia:

Review URL: https://codereview.chromium.org/1230583008
This commit is contained in:
herb 2015-07-09 13:44:32 -07:00 committed by Commit bot
parent 7b670db2b4
commit ac09471140
1 changed files with 16 additions and 5 deletions
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21
include/core/SkMutex.h
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@ -1,3 +1,10 @@
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkMutex_DEFINED
#define SkMutex_DEFINED
@ -10,21 +17,22 @@
#include "../ports/SkMutex_pthread.h"
#endif
class SkAutoMutexAcquire : SkNoncopyable {
template <typename Lock>
class SkAutoTAcquire : SkNoncopyable {
public:
explicit SkAutoMutexAcquire(SkBaseMutex& mutex) : fMutex(&mutex) {
explicit SkAutoTAcquire(Lock& mutex) : fMutex(&mutex) {
SkASSERT(fMutex != NULL);
mutex.acquire();
}
explicit SkAutoMutexAcquire(SkBaseMutex* mutex) : fMutex(mutex) {
explicit SkAutoTAcquire(Lock* mutex) : fMutex(mutex) {
if (mutex) {
mutex->acquire();
}
}
/** If the mutex has not been released, release it now. */
~SkAutoMutexAcquire() {
~SkAutoTAcquire() {
if (fMutex) {
fMutex->release();
}
@ -45,8 +53,11 @@ public:
}
private:
SkBaseMutex* fMutex;
Lock* fMutex;
};
typedef SkAutoTAcquire<SkBaseMutex> SkAutoMutexAcquire;
#define SkAutoMutexAcquire(...) SK_REQUIRE_LOCAL_VAR(SkAutoMutexAcquire)