semLib.h

/*
 * Copyright (C) 2008 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 _VXWORKS_SEMLIB_H
#define _VXWORKS_SEMLIB_H
 
#include <pthread.h>
#include <copperplate/syncobj.h>
#include <vxworks/semLib.h>
 
struct wind_sem;
 
struct wind_sem_ops {
 
        STATUS (*take)(struct wind_sem *, int timeout);
        STATUS (*give)(struct wind_sem *);
        STATUS (*flush)(struct wind_sem *);
        STATUS (*delete)(struct wind_sem *);
};
 
struct wind_sem {
 
        unsigned int magic;
        int options;
 
        union {
                struct {
                        struct syncobj sobj;
                        int value;
                        int maxvalue;
                } xsem;
                struct {
                        pthread_mutex_t lock;
                        struct threadobj *owner;
                        int lockdepth;
                } msem;
        } u;
 
        const struct wind_sem_ops *semops;
};
 
#endif /* _VXWORKS_SEMLIB_H */