mutexobject.cpp

来自「C++封装的视频采集代码」· C++ 代码 · 共 45 行

/*
    Mutex Object wrapper
*/


#include "MutexObject.h"

MutexObject::MutexObject()
{
	initialized = false;
}

MutexObject::~MutexObject()
{
	if (initialized)
		pthread_mutex_destroy(&mutex);
}

int MutexObject::Init()
{
	if (initialized)
		return ERR_MUTEX_OBJECT_ALREADYINIT;
	pthread_mutex_init(&mutex,NULL);
	initialized = true;
	return 0;	
}

int MutexObject::Lock()
{
	if (!initialized)
		return ERR_MUTEX_OBJECT_NOTINIT;
		
	pthread_mutex_lock(&mutex);
	return 0;
}

int MutexObject::Unlock()
{
	if (!initialized)
		return ERR_MUTEX_OBJECT_NOTINIT;
	
	pthread_mutex_unlock(&mutex);
	return 0;
}