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