Annotation of prex-old/usr/lib/prex/malloc/malloc.h, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 2007, Kohsuke Ohtani
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
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.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: #include <prex/prex.h>
31: #include <sys/param.h>
32:
33: /* #define CONFIG_MSTAT 1 */
34: /* #define CONFIG_MCHECK 1 */
35:
36: #define MALLOC_MAGIC (int)0xBAADF00D /* "bad food" from LocalAlloc :) */
37:
38: #ifdef _REENTRANT
39: #define MALLOC_LOCK() mutex_lock(&malloc_lock);
40: #define MALLOC_UNLOCK() mutex_unlock(&malloc_lock);
41: #else
42: #define MALLOC_LOCK() do {} while (0)
43: #define MALLOC_UNLOCK() do {} while (0)
44: #endif
45:
46: #define ALIGN_SIZE 16
47: #define ALIGN_MASK (ALIGN_SIZE - 1)
48: #define ROUNDUP(size) (((u_long)(size) + ALIGN_MASK) & ~ALIGN_MASK)
49:
50: struct header {
51: struct header *next;
52: size_t size;
53: size_t vm_size;
54: #ifdef CONFIG_MCHECK
55: int magic;
56: #endif
57: };
CVSweb