/usr/include/rtai/rtai_proc_fs.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 | /*
* 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_PROC_FS_H
#define _RTAI_PROC_FS_H
#define LIMIT (PAGE_SIZE - 80)
extern struct proc_dir_entry *rtai_proc_root;
// proc print macros - Contributed by: Erwin Rol (erwin@muffin.org)
// macro that holds the local variables that
// we use in the PROC_PRINT_* macros. We have
// this macro so we can add variables with out
// changing the users of this macro, of course
// only when the names don't colide!
#define PROC_PRINT_VARS \
off_t pos = 0; \
off_t begin = 0; \
int len = 0 /* no ";" */
// macro that prints in the procfs read buffer.
// this macro expects the function arguments to be
// named as follows.
// static int FOO(char *page, char **start,
// off_t off, int count, int *eof, void *data)
#define PROC_PRINT(fmt,args...) \
do { \
len += sprintf(page + len , fmt, ##args); \
pos += len; \
if(pos < off) { \
len = 0; \
begin = pos; \
} \
if(pos > off + count) \
goto done; \
} while(0)
// macro to leave the read function for a other
// place than at the end.
#define PROC_PRINT_RETURN \
do { \
*eof = 1; \
goto done; \
} while(0)
// macro that should only used ones at the end of the
// read function, to return from a other place in the
// read function use the PROC_PRINT_RETURN macro.
#define PROC_PRINT_DONE \
do { \
*eof = 1; \
done: \
*start = page + (off - begin); \
len -= (off - begin); \
if(len > count) \
len = count; \
if(len < 0) \
len = 0; \
return len; \
} while(0)
// End of proc print macros
#endif /* !_RTAI_PROC_FS_H */
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