Echtzeitdatenverarbeitung/include/rtai_spl.h

130 lines
3.3 KiB
C

/*
* Copyright (C) 2002,2003 Paolo Mantegazza <mantegazza@aero.polimi.it>
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _RTAI_SPL_H
#define _RTAI_SPL_H
#include <rtai_sem.h>
struct rtai_spl;
#ifdef __KERNEL__
#ifndef __cplusplus
typedef struct rtai_spl {
void *owndby;
int count;
unsigned long flags;
} SPL;
#else /* __cplusplus */
extern "C" {
#endif /* !__cplusplus */
RTAI_SYSCALL_MODE int rt_spl_init(struct rtai_spl *spl);
RTAI_SYSCALL_MODE int rt_spl_delete(struct rtai_spl *spl);
RTAI_SYSCALL_MODE SPL *_rt_named_spl_init(unsigned long spl_name);
RTAI_SYSCALL_MODE int rt_named_spl_delete(SPL *spl);
RTAI_SYSCALL_MODE int rt_spl_lock(struct rtai_spl *spl);
RTAI_SYSCALL_MODE int rt_spl_lock_if(struct rtai_spl *spl);
RTAI_SYSCALL_MODE int rt_spl_lock_timed(struct rtai_spl *spl,
unsigned long ns);
RTAI_SYSCALL_MODE int rt_spl_unlock(struct rtai_spl *spl);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#else /* !__KERNEL__ */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
RTAI_PROTO(struct rtai_spl *, rt_spl_init,(unsigned long name))
{
struct { unsigned long name; } arg = { name };
return (struct rtai_spl *)rtai_lxrt(BIDX, SIZARG, LXRT_SPL_INIT, &arg).v[LOW];
}
RTAI_PROTO(int, rt_spl_delete,(struct rtai_spl *spl))
{
struct { struct rtai_spl *spl; } arg = { spl };
return rtai_lxrt(BIDX, SIZARG, LXRT_SPL_DELETE, &arg).i[LOW];
}
RTAI_PROTO(struct rtai_spl *, rt_named_spl_init,(const char *name))
{
struct { unsigned long name; } arg = { nam2num(name) };
return (struct rtai_spl *)rtai_lxrt(BIDX, SIZARG, NAMED_SPL_INIT, &arg).v[LOW];
}
RTAI_PROTO(int, rt_named_spl_delete,(struct rtai_spl *spl))
{
struct { struct rtai_spl *spl; } arg = { spl };
return rtai_lxrt(BIDX, SIZARG, NAMED_SPL_DELETE, &arg).i[LOW];
}
RTAI_PROTO(int, rt_spl_lock,(struct rtai_spl *spl))
{
struct { struct rtai_spl *spl; } arg = { spl };
return rtai_lxrt(BIDX, SIZARG, SPL_LOCK, &arg).i[LOW];
}
RTAI_PROTO(int, rt_spl_lock_if,(struct rtai_spl *spl))
{
struct { struct rtai_spl *spl; } arg = { spl };
return rtai_lxrt(BIDX, SIZARG, SPL_LOCK_IF, &arg).i[LOW];
}
RTAI_PROTO(int, rt_spl_lock_timed,(struct rtai_spl *spl, RTIME delay))
{
struct { struct rtai_spl *spl; RTIME delay; } arg = { spl, delay };
return rtai_lxrt(BIDX, SIZARG, SPL_LOCK_TIMED, &arg).i[LOW];
}
RTAI_PROTO(int, rt_spl_unlock,(struct rtai_spl *spl))
{
struct { struct rtai_spl *spl; } arg = { spl };
return rtai_lxrt(BIDX, SIZARG, SPL_UNLOCK, &arg).i[LOW];
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __KERNEL__ */
#if !defined(__KERNEL__) || defined(__cplusplus)
typedef struct rtai_spl {
int opaque;
} SPL;
#endif /* !__KERNEL__ || __cplusplus */
#endif /* !_RTAI_SPL_H */