cond.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 _XENOMAI_ALCHEMY_COND_H
#define _XENOMAI_ALCHEMY_COND_H
 
#include <stdint.h>
#include <alchemy/timer.h>
#include <alchemy/mutex.h>
 
struct RT_COND {
        uintptr_t handle;
};
 
typedef struct RT_COND RT_COND;
 
struct RT_COND_INFO {
        char name[XNOBJECT_NAME_LEN];
};
 
typedef struct RT_COND_INFO RT_COND_INFO;
 
#ifdef __cplusplus
extern "C" {
#endif
 
int rt_cond_create(RT_COND *cond,
                   const char *name);
 
int rt_cond_delete(RT_COND *cond);
 
int rt_cond_signal(RT_COND *cond);
 
int rt_cond_broadcast(RT_COND *cond);
 
int rt_cond_wait_timed(RT_COND *cond,
                       RT_MUTEX *mutex,
                       const struct timespec *abs_timeout);
static inline
int rt_cond_wait_until(RT_COND *cond, RT_MUTEX *mutex, RTIME timeout)
{
        struct timespec ts;
        return rt_cond_wait_timed(cond, mutex,
                                  alchemy_abs_timeout(timeout, &ts));
}
 
static inline
int rt_cond_wait(RT_COND *cond, RT_MUTEX *mutex, RTIME timeout)
{
        struct timespec ts;
        return rt_cond_wait_timed(cond, mutex,
                                  alchemy_rel_timeout(timeout, &ts));
}
 
int rt_cond_inquire(RT_COND *cond,
                    RT_COND_INFO *info);
 
int rt_cond_bind(RT_COND *cond,
                 const char *name, RTIME timeout);
 
int rt_cond_unbind(RT_COND *cond);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _XENOMAI_ALCHEMY_COND_H */