mutex.h

/*
 * Copyright (C) 2011 Philippe Gerum <rpm@xenomai.org>.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
 
#ifndef _ALCHEMY_MUTEX_H
#define _ALCHEMY_MUTEX_H
 
#include <copperplate/cluster.h>
#include <copperplate/registry.h>
#include <alchemy/mutex.h>
#include <alchemy/task.h>
 
struct alchemy_mutex {
        unsigned int magic;     /* Must be first. */
        char name[XNOBJECT_NAME_LEN];
        pthread_mutex_t lock;
        struct clusterobj cobj;
        RT_TASK owner;
        struct fsobj fsobj;
};
 
#define mutex_magic     0x8585ebeb
 
extern struct syncluster alchemy_mutex_table;
 
struct alchemy_mutex *find_alchemy_mutex(RT_MUTEX *mutex, int *err_r);
 
#endif /* _ALCHEMY_MUTEX_H */