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/*****************************************************************************
**
** Name: Mutex.h
**
** Description: Encapsulate a mutex for thread synchronization.
**
** Copyright (c) 2012, Broadcom Corp., All Rights Reserved.
** Proprietary and confidential.
**
*****************************************************************************/
#pragma once
#include <pthread.h>
class Mutex
{
public:
/*******************************************************************************
**
** Function: Mutex
**
** Description: Initialize member variables.
**
** Returns: None.
**
*******************************************************************************/
Mutex ();
/*******************************************************************************
**
** Function: ~Mutex
**
** Description: Cleanup all resources.
**
** Returns: None.
**
*******************************************************************************/
~Mutex ();
/*******************************************************************************
**
** Function: lock
**
** Description: Block the thread and try lock the mutex.
**
** Returns: None.
**
*******************************************************************************/
void lock ();
/*******************************************************************************
**
** Function: unlock
**
** Description: Unlock a mutex to unblock a thread.
**
** Returns: None.
**
*******************************************************************************/
void unlock ();
/*******************************************************************************
**
** Function: tryLock
**
** Description: Try to lock the mutex.
**
** Returns: True if the mutex is locked.
**
*******************************************************************************/
bool tryLock ();
/*******************************************************************************
**
** Function: nativeHandle
**
** Description: Get the handle of the mutex.
**
** Returns: Handle of the mutex.
**
*******************************************************************************/
pthread_mutex_t* nativeHandle ();
private:
pthread_mutex_t mMutex;
};
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