/usr/include/rtai/rtai_rwl.h is in librtai-dev 3.8.1-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | /*
* Copyright (C) 1999-2003 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _RTAI_RWL_H
#define _RTAI_RWL_H
#include <rtai_sem.h>
struct rtai_rwlock;
#ifdef __KERNEL__
#ifndef __cplusplus
typedef struct rtai_rwlock {
SEM wrmtx,
wrsem,
rdsem;
} RWL;
#else /* __cplusplus */
extern "C" {
#endif /* !__cplusplus */
RTAI_SYSCALL_MODE int rt_typed_rwl_init(RWL *rwl, int type);
#define rt_rwl_init(rwl) rt_typed_rwl_init(rwl, RESEM_RECURS)
RTAI_SYSCALL_MODE int rt_rwl_delete(struct rtai_rwlock *rwl);
RTAI_SYSCALL_MODE RWL *_rt_named_rwl_init(unsigned long rwl_name);
RTAI_SYSCALL_MODE int rt_named_rwl_delete(RWL *rwl);
RTAI_SYSCALL_MODE int rt_rwl_rdlock(struct rtai_rwlock *rwl);
RTAI_SYSCALL_MODE int rt_rwl_rdlock_if(struct rtai_rwlock *rwl);
RTAI_SYSCALL_MODE int rt_rwl_rdlock_until(struct rtai_rwlock *rwl, RTIME time);
RTAI_SYSCALL_MODE int rt_rwl_rdlock_timed(struct rtai_rwlock *rwl, RTIME delay);
RTAI_SYSCALL_MODE int rt_rwl_wrlock(struct rtai_rwlock *rwl);
RTAI_SYSCALL_MODE int rt_rwl_wrlock_if(struct rtai_rwlock *rwl);
RTAI_SYSCALL_MODE int rt_rwl_wrlock_until(struct rtai_rwlock *rwl, RTIME time);
RTAI_SYSCALL_MODE int rt_rwl_wrlock_timed(struct rtai_rwlock *rwl, RTIME delay);
RTAI_SYSCALL_MODE int rt_rwl_unlock(struct rtai_rwlock *rwl);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#else /* !__KERNEL__ */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define rt_rwl_init(rwl) rt_typed_rwl_init(rwl, RESEM_RECURS)
RTAI_PROTO(struct rtai_rwlock *, rt_typed_rwl_init,(unsigned long name, int type))
{
struct { unsigned long name; long type; } arg = { name, type };
return (struct rtai_rwlock *)rtai_lxrt(BIDX, SIZARG, LXRT_RWL_INIT, &arg).v[LOW];
}
RTAI_PROTO(int, rt_rwl_delete,(struct rtai_rwlock *rwl))
{
struct { struct rtai_rwlock *rwl; } arg = { rwl };
return rtai_lxrt(BIDX, SIZARG, LXRT_RWL_DELETE, &arg).i[LOW];
}
RTAI_PROTO(struct rtai_rwlock *, rt_named_rwl_init,(const char *name))
{
struct { const char *name; } arg = { name };
return (struct rtai_rwlock *)rtai_lxrt(BIDX, SIZARG, NAMED_RWL_INIT, &arg).v[LOW];
}
RTAI_PROTO(int, rt_named_rwl_delete,(struct rtai_rwlock *rwl))
{
struct { struct rtai_rwlock *rwl; } arg = { rwl };
return rtai_lxrt(BIDX, SIZARG, NAMED_RWL_DELETE, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_rdlock,(struct rtai_rwlock *rwl))
{
struct { struct rtai_rwlock *rwl; } arg = { rwl };
return rtai_lxrt(BIDX, SIZARG, RWL_RDLOCK, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_rdlock_if,(struct rtai_rwlock *rwl))
{
struct { void *rwl; } arg = { rwl };
return rtai_lxrt(BIDX, SIZARG, RWL_RDLOCK_IF, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_rdlock_until,(struct rtai_rwlock *rwl, RTIME time))
{
struct { struct rtai_rwlock *rwl; RTIME time; } arg = { rwl, time };
return rtai_lxrt(BIDX, SIZARG, RWL_RDLOCK_UNTIL, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_rdlock_timed,(struct rtai_rwlock *rwl, RTIME delay))
{
struct { struct rtai_rwlock *rwl; RTIME delay; } arg = { rwl, delay };
return rtai_lxrt(BIDX, SIZARG, RWL_RDLOCK_TIMED, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_wrlock,(struct rtai_rwlock *rwl))
{
struct { struct rtai_rwlock *rwl; } arg = { rwl };
return rtai_lxrt(BIDX, SIZARG, RWL_WRLOCK, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_wrlock_if,(struct rtai_rwlock *rwl))
{
struct { struct rtai_rwlock *rwl; } arg = { rwl };
return rtai_lxrt(BIDX, SIZARG, RWL_WRLOCK_IF, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_wrlock_until,(struct rtai_rwlock *rwl, RTIME time))
{
struct { struct rtai_rwlock *rwl; RTIME time; } arg = { rwl, time };
return rtai_lxrt(BIDX, SIZARG, RWL_WRLOCK_UNTIL, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_wrlock_timed,(struct rtai_rwlock *rwl, RTIME delay))
{
struct { struct rtai_rwlock *rwl; RTIME delay; } arg = { rwl, delay };
return rtai_lxrt(BIDX, SIZARG, RWL_WRLOCK_TIMED, &arg).i[LOW];
}
RTAI_PROTO(int, rt_rwl_unlock,(struct rtai_rwlock *rwl))
{
struct { struct rtai_rwlock *rwl; } arg = { rwl };
return rtai_lxrt(BIDX, SIZARG, RWL_UNLOCK, &arg).i[LOW];
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __KERNEL__ */
#if !defined(__KERNEL__) || defined(__cplusplus)
typedef struct rtai_rwlock {
int opaque;
} RWL;
#endif /* !__KERNEL__ || __cplusplus */
#endif /* !_RTAI_RWL_H */
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