e89d3ec443
git-svn-id: http://skia.googlecode.com/svn/trunk@569 2bbb7eff-a529-9590-31e7-b0007b416f81
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/*
|
|
* 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_platform_DEFINED
|
|
#define SkThread_platform_DEFINED
|
|
|
|
#ifdef ANDROID
|
|
|
|
#include <utils/threads.h>
|
|
#include <utils/Atomic.h>
|
|
|
|
#define sk_atomic_inc(addr) android_atomic_inc(addr)
|
|
#define sk_atomic_dec(addr) android_atomic_dec(addr)
|
|
|
|
class SkMutex : android::Mutex {
|
|
public:
|
|
// if isGlobal is true, then ignore any errors in the platform-specific
|
|
// destructor
|
|
SkMutex(bool isGlobal = true) {}
|
|
~SkMutex() {}
|
|
|
|
void acquire() { this->lock(); }
|
|
void release() { this->unlock(); }
|
|
};
|
|
|
|
#else
|
|
|
|
/** Implemented by the porting layer, this function adds 1 to the int specified
|
|
by the address (in a thread-safe manner), and returns the previous value.
|
|
*/
|
|
int32_t sk_atomic_inc(int32_t* addr);
|
|
/** Implemented by the porting layer, this function subtracts 1 to the int
|
|
specified by the address (in a thread-safe manner), and returns the previous
|
|
value.
|
|
*/
|
|
int32_t sk_atomic_dec(int32_t* addr);
|
|
|
|
class SkMutex {
|
|
public:
|
|
// if isGlobal is true, then ignore any errors in the platform-specific
|
|
// destructor
|
|
SkMutex(bool isGlobal = true);
|
|
~SkMutex();
|
|
|
|
void acquire();
|
|
void release();
|
|
|
|
private:
|
|
bool fIsGlobal;
|
|
enum {
|
|
kStorageIntCount = 64
|
|
};
|
|
uint32_t fStorage[kStorageIntCount];
|
|
};
|
|
|
|
#endif
|
|
|
|
#endif
|