]>
git.ipfire.org Git - thirdparty/bird.git/blob - lib/resource.h
2 * BIRD Resource Manager
4 * (c) 1998--1999 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
9 #ifndef _BIRD_RESOURCE_H_
10 #define _BIRD_RESOURCE_H_
12 #include "lib/lists.h"
16 typedef struct resource
{
17 node n
; /* Inside resource pool */
18 struct resclass
*class; /* Resource class */
24 char *name
; /* Resource class name */
25 unsigned size
; /* Standard size of single resource */
26 void (*free
)(resource
*); /* Freeing function */
27 void (*dump
)(resource
*); /* Dump to debug output */
30 /* Generic resource manipulation */
32 typedef struct pool pool
;
34 void resource_init(void);
35 pool
*rp_new(pool
*, char *); /* Create new pool */
36 void rfree(void *); /* Free single resource */
37 void rdump(void *); /* Dump to debug output */
39 void *ralloc(pool
*, struct resclass
*);
41 extern pool root_pool
;
43 /* Normal memory blocks */
45 void *mb_alloc(pool
*, unsigned size
);
46 void *mb_allocz(pool
*, unsigned size
);
49 /* Memory pools with linear allocation */
51 typedef struct linpool linpool
;
53 linpool
*lp_new(pool
*, unsigned blk
);
54 void *lp_alloc(linpool
*, unsigned size
); /* Aligned */
55 void *lp_allocu(linpool
*, unsigned size
); /* Unaligned */
56 void *lp_allocz(linpool
*, unsigned size
); /* With clear */
57 void lp_flush(linpool
*); /* Free everything, but leave linpool */
61 typedef struct slab slab
;
63 slab
*sl_new(pool
*, unsigned size
);
64 void *sl_alloc(slab
*);
65 void sl_free(slab
*, void *);
68 * Low-level memory allocation functions, please don't use
69 * outside resource manager and possibly sysdep code.
72 #ifdef HAVE_LIBDMALLOC
74 * The standard dmalloc macros tend to produce lots of namespace
75 * conflicts and we use only xmalloc and xfree, so we can define
76 * the stubs ourselves.
78 #define DMALLOC_DISABLE
80 #define xmalloc(size) _xmalloc_leap(__FILE__, __LINE__, size)
81 #define xfree(ptr) _xfree_leap(__FILE__, __LINE__, ptr)
84 * Unfortunately, several libraries we might want to link to define
85 * their own xmalloc and we don't want to interfere with them, hence
88 #define xmalloc bird_xmalloc
89 void *xmalloc(unsigned);
90 #define xfree(x) free(x)