/usr/include/xenomai/native/pipe.h is in libxenomai-dev 2.6.2.1-2ubuntu2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | /**
* @file
* This file is part of the Xenomai project.
*
* @note Copyright (C) 2004 Philippe Gerum <rpm@xenomai.org>
*
* 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 _XENO_PIPE_H
#define _XENO_PIPE_H
#include <nucleus/pipe.h>
#include <nucleus/heap.h>
#include <native/types.h>
/* Operation flags. */
#define P_NORMAL XNPIPE_NORMAL
#define P_URGENT XNPIPE_URGENT
#define P_MINOR_AUTO XNPIPE_MINOR_AUTO
#define P_EVENT_INPUT 1
#define P_EVENT_OUTPUT 2
#define P_EVENT_CLOSE 3
#define P_EVENT_NOBUF 4
typedef struct rt_pipe_placeholder {
xnhandle_t opaque;
} RT_PIPE_PLACEHOLDER;
#ifdef __KERNEL__
#include <native/ppd.h>
#define XENO_PIPE_MAGIC 0x55550202
#define P_SYNCWAIT 0
#define P_ATOMIC 1
typedef xnpipe_mh_t RT_PIPE_MSG;
#define P_MSGPTR(msg) xnpipe_m_data(msg)
#define P_MSGSIZE(msg) xnpipe_m_size(msg)
typedef struct rt_pipe {
unsigned magic; /* !< Magic code -- must be first. */
xnholder_t link; /* !< Link in flush queue. */
#define link2rtpipe(ln) container_of(ln, RT_PIPE, link)
int minor; /* !< Device minor number. */
RT_PIPE_MSG *buffer; /* !< Buffer used in byte stream mode. */
xnheap_t *bufpool; /* !< Current buffer pool. */
int (*monitor)(struct rt_pipe *pipe, int event, long arg);
xnheap_t privpool; /* !< Private buffer pool. */
size_t fillsz; /* !< Bytes written to the buffer. */
u_long status; /* !< Status information. */
xnhandle_t handle; /* !< Handle in registry -- zero if unregistered. */
char name[XNOBJECT_NAME_LEN]; /* !< Symbolic name. */
#ifdef CONFIG_XENO_OPT_PERVASIVE
pid_t cpid; /* !< Creator's pid. */
#endif /* CONFIG_XENO_OPT_PERVASIVE */
xnholder_t rlink; /* !< Link in resource queue. */
#define rlink2pipe(ln) container_of(ln, RT_PIPE, rlink)
xnqueue_t *rqueue; /* !< Backpointer to resource queue. */
} RT_PIPE;
#else /* !__KERNEL__ */
typedef RT_PIPE_PLACEHOLDER RT_PIPE;
#endif /* __KERNEL__ */
#ifdef __cplusplus
extern "C" {
#endif
/* Public interface. */
int rt_pipe_create(RT_PIPE *pipe,
const char *name,
int minor,
size_t poolsize);
int rt_pipe_delete(RT_PIPE *pipe);
ssize_t rt_pipe_read(RT_PIPE *pipe,
void *buf,
size_t size,
RTIME timeout);
ssize_t rt_pipe_write(RT_PIPE *pipe,
const void *buf,
size_t size,
int mode);
ssize_t rt_pipe_stream(RT_PIPE *pipe,
const void *buf,
size_t size);
#ifdef __KERNEL__
ssize_t rt_pipe_receive(RT_PIPE *pipe,
RT_PIPE_MSG **msg,
RTIME timeout);
ssize_t rt_pipe_send(RT_PIPE *pipe,
RT_PIPE_MSG *msg,
size_t size,
int mode);
RT_PIPE_MSG *rt_pipe_alloc(RT_PIPE *pipe,
size_t size);
int rt_pipe_free(RT_PIPE *pipe,
RT_PIPE_MSG *msg);
int rt_pipe_flush(RT_PIPE *pipe,
int mode);
int rt_pipe_monitor(RT_PIPE *pipe,
int (*fn)(RT_PIPE *pipe, int event, long arg));
#else /* !__KERNEL__ */
int rt_pipe_bind(RT_PIPE *pipe,
const char *name,
RTIME timeout);
static inline int rt_pipe_unbind(RT_PIPE *pipe)
{
pipe->opaque = XN_NO_HANDLE;
return 0;
}
#endif /* __KERNEL__ */
#ifdef CONFIG_XENO_OPT_NATIVE_PIPE
int __native_pipe_pkg_init(void);
void __native_pipe_pkg_cleanup(void);
static inline void __native_pipe_flush_rq(xnqueue_t *rq)
{
xeno_flush_rq_norelease(RT_PIPE, rq, pipe);
}
#else /* !CONFIG_XENO_OPT_NATIVE_PIPE */
#define __native_pipe_pkg_init() ({ 0; })
#define __native_pipe_pkg_cleanup() do { } while(0)
#define __native_pipe_flush_rq(rq) do { } while(0)
#endif /* !CONFIG_XENO_OPT_NATIVE_PIPE */
#ifdef __cplusplus
}
#endif
#endif /* !_XENO_PIPE_H */
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