# rtai_spl.h

    00001 /*
    00002  * Copyright (C) 2002,2003 Paolo Mantegazza <mantegazza@aero.polimi.it>
    00003  *
    00004  * This program is free software; you can redistribute it and/or
    00005  * modify it under the terms of the GNU General Public License as
    00006  * published by the Free Software Foundation; either version 2 of the
    00007  * License, or (at your option) any later version.
    00008  *
    00009  * This program is distributed in the hope that it will be useful,
    00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012  * GNU General Public License for more details.
    00013  *
    00014  * You should have received a copy of the GNU General Public License
    00015  * along with this program; if not, write to the Free Software
    00016  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    00017  */
    00018
    00019 #ifndef _RTAI_SPL_H
    00020 #define _RTAI_SPL_H
    00021
    00022 #include <rtai_sem.h>
    00023
    00024 struct rtai_spl;
    00025
    00026 #ifdef __KERNEL__
    00027
    00028 #ifndef __cplusplus
    00029
    00030 typedef struct rtai_spl {
    00031     void *owndby;
    00032     int count;
    00033     unsigned long flags;
    00034 } SPL;
    00035
    00036 #else /* __cplusplus */
    00037 extern "C" {
    00038 #endif /* !__cplusplus */
    00039
    00040 int rt_spl_init(struct rtai_spl *spl);
    00041
    00042 int rt_spl_delete(struct rtai_spl *spl);
    00043
    00044 int rt_spl_lock(struct rtai_spl *spl);
    00045
    00046 int rt_spl_lock_if(struct rtai_spl *spl);
    00047
    00048 int rt_spl_lock_timed(struct rtai_spl *spl,
    00049                       unsigned long ns);
    00050
    00051 int rt_spl_unlock(struct rtai_spl *spl);
    00052
    00053 #ifdef __cplusplus
    00054 }
    00055 #endif /* __cplusplus */
    00056
    00057 #else /* !__KERNEL__ */
    00058
    00059 #ifdef __cplusplus
    00060 extern "C" {
    00061 #endif /* __cplusplus */
    00062
    00063 RTAI_PROTO(struct rtai_spl *, rt_spl_init,(unsigned long name))
    00064 {
    00065         struct { unsigned long name; } arg = { name };
    00066         return (struct rtai_spl *)rtai_lxrt(BIDX, SIZARG, LXRT_SPL_INIT, &arg).v[LOW];
    00067 }
    00068
    00069 RTAI_PROTO(int, rt_spl_delete,(struct rtai_spl *spl))
    00070 {
    00071         struct { struct rtai_spl *spl; } arg = { spl };
    00072         return rtai_lxrt(BIDX, SIZARG, LXRT_SPL_DELETE, &arg).i[LOW];
    00073 }
    00074
    00075 RTAI_PROTO(struct rtai_spl *, rt_named_spl_init,(const char *name))
    00076 {
    00077         struct { const char *name; } arg = { name };
    00078         return (struct rtai_spl *)rtai_lxrt(BIDX, SIZARG, NAMED_SPL_INIT, &arg).v[LOW];
    00079 }
    00080
    00081 RTAI_PROTO(int, rt_named_spl_delete,(struct rtai_spl *spl))
    00082 {
    00083         struct { struct rtai_spl *spl; } arg = { spl };
    00084         return rtai_lxrt(BIDX, SIZARG, NAMED_SPL_DELETE, &arg).i[LOW];
    00085 }
    00086
    00087 RTAI_PROTO(int, rt_spl_lock,(struct rtai_spl *spl))
    00088 {
    00089         struct { struct rtai_spl *spl; } arg = { spl };
    00090         return rtai_lxrt(BIDX, SIZARG, SPL_LOCK, &arg).i[LOW];
    00091 }
    00092
    00093 RTAI_PROTO(int, rt_spl_lock_if,(struct rtai_spl *spl))
    00094 {
    00095         struct { struct rtai_spl *spl; } arg = { spl };
    00096         return rtai_lxrt(BIDX, SIZARG, SPL_LOCK_IF, &arg).i[LOW];
    00097 }
    00098
    00099 RTAI_PROTO(int, rt_spl_lock_timed,(struct rtai_spl *spl, RTIME delay))
    00100 {
    00101         struct { struct rtai_spl *spl; RTIME delay; } arg = { spl, delay };
    00102         return rtai_lxrt(BIDX, SIZARG, SPL_LOCK_TIMED, &arg).i[LOW];
    00103 }
    00104
    00105 RTAI_PROTO(int, rt_spl_unlock,(struct rtai_spl *spl))
    00106 {
    00107         struct { struct rtai_spl *spl; } arg = { spl };
    00108         return rtai_lxrt(BIDX, SIZARG, SPL_UNLOCK, &arg).i[LOW];
    00109 }
    00110
    00111 #ifdef __cplusplus
    00112 }
    00113 #endif /* __cplusplus */
    00114
    00115 #endif /* __KERNEL__ */
    00116
    00117 #if !defined(__KERNEL__) || defined(__cplusplus)
    00118
    00119 typedef struct rtai_spl {
    00120     int opaque;
    00121 } SPL;
    00122
    00123 #endif /* !__KERNEL__ || __cplusplus */
    00124
    00125 #endif /* !_RTAI_SPL_H */