blob: 466e709ad7fc191d97fa003a33e66288027ae7fa [file] [log] [blame]
/*
* Copyright (C) Texas Instruments - http://www.ti.com/
*
* 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 <Errors.h>
#include <semaphore.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
namespace android {
class Semaphore
{
public:
Semaphore();
~Semaphore();
//Release semaphore
status_t Release();
///Create the semaphore with initial count value
status_t Create(int count=0);
///Wait operation
status_t Wait();
///Signal operation
status_t Signal();
///Current semaphore count
int Count();
///Wait operation with a timeout
status_t WaitTimeout(int timeoutMicroSecs);
private:
sem_t *mSemaphore;
};
};