xref: /freebsd/include/malloc_np.h (revision 4abd7edcbde21ba7a089c7d1a0bba8f87ebece06)
1 /*-
2  * Copyright (C) 2006 Jason Evans <jasone@FreeBSD.org>.
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(s), this list of conditions and the following disclaimer as
10  *    the first lines of this file unmodified other than the possible
11  *    addition of one or more copyright notices.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice(s), this list of conditions and the following disclaimer in
14  *    the documentation and/or other materials provided with the
15  *    distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef _MALLOC_NP_H_
33 #define	_MALLOC_NP_H_
34 #include <sys/cdefs.h>
35 #include <sys/types.h>
36 #include <strings.h>
37 
38 __BEGIN_DECLS
39 size_t	malloc_usable_size(const void *ptr);
40 
41 void	malloc_stats_print(void (*write_cb)(void *, const char *),
42     void *cbopaque, const char *opts);
43 int	mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp,
44     size_t newlen);
45 int	mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp);
46 int	mallctlbymib(const size_t *mib, size_t miblen, void *oldp,
47     size_t *oldlenp, void *newp, size_t newlen);
48 
49 #define	ALLOCM_LG_ALIGN(la)	(la)
50 #define	ALLOCM_ALIGN(a)	(ffsl(a)-1)
51 #define	ALLOCM_ZERO	((int)0x40)
52 #define	ALLOCM_NO_MOVE	((int)0x80)
53 
54 #define	ALLOCM_SUCCESS		0
55 #define	ALLOCM_ERR_OOM		1
56 #define	ALLOCM_ERR_NOT_MOVED	2
57 
58 int	allocm(void **ptr, size_t *rsize, size_t size, int flags) __nonnull(1);
59 int	rallocm(void **ptr, size_t *rsize, size_t size, size_t extra,
60     int flags) __nonnull(1);
61 int	sallocm(const void *ptr, size_t *rsize, int flags) __nonnull(1);
62 int	dallocm(void *ptr, int flags) __nonnull(1);
63 int	nallocm(size_t *rsize, size_t size, int flags);
64 
65 void *	__calloc(size_t, size_t) __malloc_like;
66 void *	__malloc(size_t) __malloc_like;
67 void *	__realloc(void *, size_t);
68 void	__free(void *);
69 int	__posix_memalign(void **, size_t, size_t);
70 size_t	__malloc_usable_size(const void *);
71 int	__allocm(void **, size_t *, size_t, int) __nonnull(1);
72 int	__rallocm(void **, size_t *, size_t, size_t, int) __nonnull(1);
73 int	__sallocm(const void *, size_t *, int) __nonnull(1);
74 int	__dallocm(void *, int) __nonnull(1);
75 int	__nallocm(size_t *, size_t, int);
76 __END_DECLS
77 
78 #endif /* _MALLOC_NP_H_ */
79