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/*
* Copyright 2012-2013 Samsung Electronics Co., Ltd
*
* Licensed under the Flora License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://floralicense.org
*
* 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 __MSG_MUTEX_H__
#define __MSG_MUTEX_H__
/*==================================================================================================
INCLUDE FILES
==================================================================================================*/
#include <iostream>
#include <pthread.h>
#include <sys/time.h>
#include <time.h>
using namespace std;
int GetMsgReady();
void WaitMsgReady(int sec);
class Mutex
{
public:
Mutex(){ pthread_mutex_init(&m, 0); }
void lock(){ pthread_mutex_lock(&m); }
void unlock(){ pthread_mutex_unlock(&m); }
pthread_mutex_t* pMutex() { return &m; }
private:
pthread_mutex_t m;
};
class MutexLocker
{
public:
MutexLocker(Mutex& mx)
{
pm = &mx;
pm->lock();
}
~MutexLocker()
{
pm->unlock();
}
private:
Mutex *pm;
};
class CndVar
{
public:
CndVar(){ pthread_cond_init(&c, 0); }
void wait(pthread_mutex_t* m) { pthread_cond_wait(&c, m); }
int timedwait(pthread_mutex_t* m, int sec)
{
struct timeval now = {0};
struct timespec timeout = {0};
gettimeofday(&now, NULL);
timeout.tv_sec = now.tv_sec+sec;
timeout.tv_nsec = now.tv_usec;
int retcode = pthread_cond_timedwait(&c, m, &timeout);
return retcode;
}
void signal(){ pthread_cond_signal(&c); }
void broadcast(){ pthread_cond_broadcast(&c); }
private:
pthread_cond_t c;
};
#endif //__MUTEX_H__
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