/usr/include/xenomai/nucleus/map.h is in libxenomai-dev 2.6.4+dfsg-1.
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 | /**
* @file
* @note Copyright (C) 2007 Philippe Gerum <rpm@xenomai.org>.
*
* Xenomai 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.
*
* Xenomai 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 Xenomai; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* \ingroup map
*/
#ifndef _XENO_NUCLEUS_MAP_H
#define _XENO_NUCLEUS_MAP_H
/*! \addtogroup map
*@{*/
#include <nucleus/types.h>
#define XNMAP_MAX_KEYS (BITS_PER_LONG * BITS_PER_LONG)
typedef struct xnmap {
int nkeys;
int ukeys;
int offset;
unsigned long himask;
unsigned long himap;
#define __IDMAP_LONGS ((XNMAP_MAX_KEYS+BITS_PER_LONG-1)/BITS_PER_LONG)
unsigned long lomap[__IDMAP_LONGS];
#undef __IDMAP_LONGS
void *objarray[1];
} xnmap_t;
xnmap_t *xnmap_create(int nkeys,
int reserve,
int offset);
void xnmap_delete(xnmap_t *map);
int xnmap_enter(xnmap_t *map,
int key,
void *objaddr);
int xnmap_remove(xnmap_t *map,
int key);
static inline void *xnmap_fetch_nocheck(xnmap_t *map, int key)
{
int ofkey = key - map->offset;
return map->objarray[ofkey];
}
static inline void *xnmap_fetch(xnmap_t *map, int key)
{
int ofkey = key - map->offset;
if (ofkey < 0 || ofkey >= map->nkeys)
return NULL;
return map->objarray[ofkey];
}
/*@}*/
#endif /* !_XENO_NUCLEUS_MAP_H */
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