/*

* File: ucos_mutex.h

* Author:  MinPengli <minpengli@gmail.com>

* Brief: mutex implement

*

* Copyright (c) 2009 - 2010  MinPengli <minpengli@hotmail.com>

*

* Licensed under the Academic Free License version 2.1

*

* 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

*/



/*

*  History:

* ================================================================

* 2010-03-19 MinPengli <minpengli@gmail.com> created

*

*/



#ifndef UCOS_MUTEX_H

#define UCOS_MUTEX_H



#include    <ucos_ii.h>



#ifdef __cplusplus

extern "C" {

#endif



struct _mutex_t;

typedef struct _mutex_t mutex_t;



mutex_t *mutex_init (void);

int mutex_destroy (mutex_t *mutex);

int mutex_lock (mutex_t *mutex);

int mutex_trylock (mutex_t *mutex);

int mutex_unlock (mutex_t *mutex);



#ifdef __cplusplus

}

#endif



#endif