2 * Sherlock Library -- Memory Pools
4 * (c) 1997--2004 Martin Mares <mj@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
10 #ifndef _SHERLOCK_POOLS_H
11 #define _SHERLOCK_POOLS_H
14 #define POOL_ALIGN CPU_STRUCT_ALIGN
19 struct memchunk *first, *current, **plast;
20 struct memchunk *first_large;
21 uns chunk_size, threshold;
24 struct mempool *mp_new(uns);
25 void mp_delete(struct mempool *);
26 void mp_flush(struct mempool *);
27 void *mp_alloc(struct mempool *, uns);
28 void *mp_alloc_zero(struct mempool *, uns);
29 char *mp_strdup(struct mempool *, char *);
31 static inline void *mp_alloc_fast(struct mempool *p, uns l)
33 byte *f = (void *) (((uns) p->free + POOL_ALIGN - 1) & ~(POOL_ALIGN - 1));
36 return mp_alloc(p, l);
41 static inline void *mp_alloc_fast_noalign(struct mempool *p, uns l)
46 return mp_alloc(p, l);
52 mp_start_string(struct mempool *p, uns l)
54 ASSERT(l <= p->chunk_size);
55 return mp_alloc(p, l);
59 mp_end_string(struct mempool *p, void *stop)