/*
|
* 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>
|
|
/**
|
* @addtogroup alchemy_cond
|
* @{
|
*/
|
|
struct RT_COND {
|
uintptr_t handle;
|
};
|
|
typedef struct RT_COND RT_COND;
|
|
/**
|
* @brief Condition variable status descriptor
|
* @anchor RT_CONF_INFO
|
*
|
* This structure reports various static and runtime information about
|
* a condition variable, returned by a call to rt_cond_inquire().
|
*/
|
struct RT_COND_INFO {
|
/**
|
* Name of condition variable.
|
*/
|
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 */
|
