Xenomai API: include/nucleus/map.h Source File

00001 
00023 #ifndef _XENO_NUCLEUS_MAP_H
00024 #define _XENO_NUCLEUS_MAP_H
00025 
00029 #include <nucleus/types.h>
00030 
00031 #define XNMAP_MAX_KEYS  (BITS_PER_LONG * BITS_PER_LONG)
00032 
00033 typedef struct xnmap {
00034 
00035     int nkeys;
00036     int ukeys;
00037     int offset;
00038     unsigned long himask;
00039     unsigned long himap;
00040 #define __IDMAP_LONGS   ((XNMAP_MAX_KEYS+BITS_PER_LONG-1)/BITS_PER_LONG)
00041     unsigned long lomap[__IDMAP_LONGS];
00042 #undef __IDMAP_LONGS
00043     void *objarray[1];
00044 
00045 } xnmap_t;
00046 
00047 xnmap_t *xnmap_create(int nkeys,
00048                       int reserve,
00049                       int offset);
00050 
00051 void xnmap_delete(xnmap_t *map);
00052 
00053 int xnmap_enter(xnmap_t *map,
00054                 int key,
00055                 void *objaddr);
00056 
00057 int xnmap_remove(xnmap_t *map,
00058                  int key);
00059 
00060 void *xnmap_fetch(xnmap_t *map,
00061                   int key);
00062 
00065 #endif /* !_XENO_NUCLEUS_MAP_H */