FreeBSD/Linux Kernel Cross Reference
sys/sys/malloc.h
1 /* $NetBSD: malloc.h,v 1.117 2018/10/14 17:37:40 jdolecek Exp $ */
2
3 /*
4 * Copyright (c) 1987, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)malloc.h 8.5 (Berkeley) 5/3/95
32 */
33
34 #ifndef _SYS_MALLOC_H_
35 #define _SYS_MALLOC_H_
36
37 #ifdef _KERNEL
38
39 /*
40 * flags to malloc
41 */
42 #define M_WAITOK 0x0000 /* can wait for resources */
43 #define M_NOWAIT 0x0001 /* do not wait for resources */
44 #define M_ZERO 0x0002 /* zero the allocation */
45
46 #include <sys/mallocvar.h>
47 #if 0
48 /*
49 * The following are standard, built-in malloc types that are
50 * not specific to any one subsystem.
51 *
52 * They are currently not defined, but are still passed to malloc()
53 * and free(). They may be re-instated as diagnostics at some point.
54 */
55 MALLOC_DECLARE(M_DEVBUF);
56 MALLOC_DECLARE(M_DMAMAP);
57 MALLOC_DECLARE(M_FREE);
58 MALLOC_DECLARE(M_TEMP);
59 MALLOC_DECLARE(M_RTABLE);
60 MALLOC_DECLARE(M_FTABLE);
61 MALLOC_DECLARE(M_UFSMNT);
62 MALLOC_DECLARE(M_NETADDR);
63 MALLOC_DECLARE(M_MRTABLE);
64 #endif
65
66 void *kern_malloc(unsigned long, int);
67 void *kern_realloc(void *, unsigned long, int);
68 void kern_free(void *);
69
70 #define malloc(size, type, flags) kern_malloc(size, flags)
71 #define free(addr, type) kern_free(addr)
72 #define realloc(ptr, size, type, flags) kern_realloc(ptr, size, flags)
73
74 #endif /* _KERNEL */
75
76 #endif /* !_SYS_MALLOC_H_ */
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