jmutex.h
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef J_MUTEX_H
#define J_MUTEX_H
#include "jobject.h"
#include <string>
#ifdef _WIN32
#include <windows.h>
#else
#include <pthread.h>
#include <semaphore.h>
#endif
namespace jthread {
enum jmutex_type_t {
JMT_FAST,
JMT_RECURSIVE,
JMT_ERROR_CHECK
};
enum jmutex_protocol_t {
JMP_NONE,
JMP_INHERIT,
JMP_PROTECT
};
/**
* \brief Monitor.
*
* @author Jeff Ferr
*/
class Mutex : public virtual jcommon::Object{
friend class Condition;
friend class Event;
private:
#ifdef _WIN32
CRITICAL_SECTION _mutex;
#else
/** \brief */
pthread_mutex_t _mutex;
#endif
/** \brief */
jmutex_type_t _type;
/** \brief */
int _lock_count;
public:
/**
* \brief Construtor.
*
*/
Mutex(jmutex_type_t = JMT_ERROR_CHECK, jmutex_protocol_t protocol_ = JMP_NONE, bool block_in_death = false);
/**
* \brief Destrutor virtual.
*
*/
virtual ~Mutex();
/**
* \brief Verify if a section is locked.
*
*/
bool IsLocked();
/**
* \brief Lock the critial section.
*
*/
void Lock();
/**
* \brief Unlock the critical section.
*
*/
void Unlock();
/**
* \brief Try lock the critical section.
*
*/
bool TryLock();
};
}
#endif