C++程序  |  50行  |  1.01 KB

/* libs/graphics/ports/SkThread_none.cpp
**
** Copyright 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.
*/

#include "SkThread.h"

int32_t sk_atomic_inc(int32_t* addr)
{
    int32_t value = *addr;
    *addr = value + 1;
    return value;
}

int32_t sk_atomic_dec(int32_t* addr)
{
    int32_t value = *addr;
    *addr = value - 1;
    return value;
}

SkMutex::SkMutex(bool /* isGlobal */)
{
}

SkMutex::~SkMutex()
{
}

void SkMutex::acquire()
{
}

void SkMutex::release()
{
}