2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2006 Jason Evans <jasone@FreeBSD.org>.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice(s), this list of conditions and the following disclaimer as
12 * the first lines of this file unmodified other than the possible
13 * addition of one or more copyright notices.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice(s), this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
26 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
28 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 #include <sys/cdefs.h>
37 #include <sys/types.h>
42 typedef struct extent_hooks_s extent_hooks_t;
43 typedef void *(extent_alloc_t)(extent_hooks_t *, void *, size_t, size_t, bool *,
45 typedef bool (extent_dalloc_t)(extent_hooks_t *, void *, size_t, bool,
47 typedef void (extent_destroy_t)(extent_hooks_t *, void *, size_t, bool,
49 typedef bool (extent_commit_t)(extent_hooks_t *, void *, size_t, size_t, size_t,
51 typedef bool (extent_decommit_t)(extent_hooks_t *, void *, size_t, size_t,
53 typedef bool (extent_purge_t)(extent_hooks_t *, void *, size_t, size_t, size_t,
55 typedef bool (extent_split_t)(extent_hooks_t *, void *, size_t, size_t, size_t,
57 typedef bool (extent_merge_t)(extent_hooks_t *, void *, size_t, void *, size_t,
59 struct extent_hooks_s {
60 extent_alloc_t *alloc;
61 extent_dalloc_t *dalloc;
62 extent_destroy_t *destroy;
63 extent_commit_t *commit;
64 extent_decommit_t *decommit;
65 extent_purge_t *purge_lazy;
66 extent_purge_t *purge_forced;
67 extent_split_t *split;
68 extent_merge_t *merge;
71 size_t malloc_usable_size(const void *ptr);
73 void malloc_stats_print(void (*write_cb)(void *, const char *),
74 void *cbopaque, const char *opts);
76 #define MALLCTL_ARENAS_ALL 4096
77 #define MALLCTL_ARENAS_DESTROYED 4097
79 int mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp,
81 int mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp);
82 int mallctlbymib(const size_t *mib, size_t miblen, void *oldp,
83 size_t *oldlenp, void *newp, size_t newlen);
85 #define MALLOCX_LG_ALIGN(la) ((int)(la))
86 #define MALLOCX_ALIGN(a) ((int)(ffsl((int)(a))-1))
87 #define MALLOCX_ZERO ((int)0x40)
88 #define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8))
89 #define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1)
90 #define MALLOCX_ARENA(a) ((((int)(a))+1) << 20)
92 void *mallocx(size_t size, int flags);
93 void *rallocx(void *ptr, size_t size, int flags);
94 size_t xallocx(void *ptr, size_t size, size_t extra, int flags);
95 size_t sallocx(const void *ptr, int flags);
96 void dallocx(void *ptr, int flags);
97 void sdallocx(void *ptr, size_t size, int flags);
98 size_t nallocx(size_t size, int flags);
100 void * __calloc(size_t number, size_t size) __malloc_like;
101 void * __malloc(size_t size) __malloc_like;
102 void * __realloc(void *ptr, size_t size);
103 void __free(void *ptr);
104 int __posix_memalign(void **ptr, size_t alignment, size_t size);
105 void *__aligned_alloc(size_t alignment, size_t size);
106 size_t __malloc_usable_size(const void *ptr);
107 void __malloc_stats_print(void (*write_cb)(void *, const char *),
108 void *cbopaque, const char *opts);
109 int __mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp,
111 int __mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp);
112 int __mallctlbymib(const size_t *mib, size_t miblen, void *oldp,
113 size_t *oldlenp, void *newp, size_t newlen);
114 void *__mallocx(size_t size, int flags);
115 void *__rallocx(void *ptr, size_t size, int flags);
116 size_t __xallocx(void *ptr, size_t size, size_t extra, int flags);
117 size_t __sallocx(const void *ptr, int flags);
118 void __dallocx(void *ptr, int flags);
119 void __sdallocx(void *ptr, size_t size, int flags);
120 size_t __nallocx(size_t size, int flags);
123 #endif /* _MALLOC_NP_H_ */