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/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SkThread_DEFINED
#define SkThread_DEFINED
#include "SkTypes.h"
#include "SkThread_platform.h"
/****** SkThread_platform needs to define the following...
int32_t sk_atomic_inc(int32_t*);
int32_t sk_atomic_dec(int32_t*);
class SkMutex {
public:
SkMutex();
~SkMutex();
void acquire();
void release();
};
****************/
class SkAutoMutexAcquire : SkNoncopyable {
public:
explicit SkAutoMutexAcquire(SkMutex& mutex) : fMutex(&mutex)
{
SkASSERT(fMutex != NULL);
mutex.acquire();
}
/** If the mutex has not been release, release it now.
*/
~SkAutoMutexAcquire()
{
if (fMutex)
fMutex->release();
}
/** If the mutex has not been release, release it now.
*/
void release()
{
if (fMutex)
{
fMutex->release();
fMutex = NULL;
}
}
private:
SkMutex* fMutex;
};
#endif
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