2 * Copyright 2002 Niels Provos <provos@citi.umich.edu>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 RB_ENTRY(mm_share) next;
37 RB_HEAD(mmtree, mm_share) rb_free;
38 struct mmtree rb_allocated;
42 struct mm_master *mmalloc; /* Used to completely share */
44 int write; /* used to writing to other party */
45 int read; /* used for reading from other party */
48 RB_PROTOTYPE(mmtree, mm_share, next, mm_compare)
50 #define MM_MINSIZE 128
52 #define MM_ADDRESS_END(x) (void *)((u_char *)(x)->address + (x)->size)
54 struct mm_master *mm_create(struct mm_master *, size_t);
55 void mm_destroy(struct mm_master *);
57 void mm_share_sync(struct mm_master **, struct mm_master **);
59 void *mm_malloc(struct mm_master *, size_t);
60 void *mm_xmalloc(struct mm_master *, size_t);
61 void mm_free(struct mm_master *, void *);
63 void mm_memvalid(struct mm_master *, void *, size_t);