/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (C) 2006 Jason Evans <jasone@FreeBSD.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice(s), this list of conditions and the following disclaimer as
* the first lines of this file unmodified other than the possible
* addition of one or more copyright notices.
* 2. Redistributions in binary form must reproduce the above copyright
* notice(s), this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MALLOC_NP_H_
#define _MALLOC_NP_H_
#include <sys/cdefs.h>
#include <sys/types.h>
#include <stdbool.h>
#include <strings.h>
__BEGIN_DECLS
typedef struct extent_hooks_s extent_hooks_t;
typedef void *(extent_alloc_t)(extent_hooks_t *, void *, size_t, size_t, bool *,
bool *, unsigned);
typedef bool (extent_dalloc_t)(extent_hooks_t *, void *, size_t, bool,
unsigned);
typedef void (extent_destroy_t)(extent_hooks_t *, void *, size_t, bool,
unsigned);
typedef bool (extent_commit_t)(extent_hooks_t *, void *, size_t, size_t, size_t,
unsigned);
typedef bool (extent_decommit_t)(extent_hooks_t *, void *, size_t, size_t,
size_t, unsigned);
typedef bool (extent_purge_t)(extent_hooks_t *, void *, size_t, size_t, size_t,
unsigned);
typedef bool (extent_split_t)(extent_hooks_t *, void *, size_t, size_t, size_t,
bool, unsigned);
typedef bool (extent_merge_t)(extent_hooks_t *, void *, size_t, void *, size_t,
bool, unsigned);
struct extent_hooks_s {
extent_alloc_t *alloc;
extent_dalloc_t *dalloc;
extent_destroy_t *destroy;
extent_commit_t *commit;
extent_decommit_t *decommit;
extent_purge_t *purge_lazy;
extent_purge_t *purge_forced;
extent_split_t *split;
extent_merge_t *merge;
};
size_t malloc_usable_size(const void *ptr);
void malloc_stats_print(void (*write_cb)(void *, const char *),
void *cbopaque, const char *opts);
#define MALLCTL_ARENAS_ALL 4096
#define MALLCTL_ARENAS_DESTROYED 4097
int mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp,
size_t newlen);
int mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp);
int mallctlbymib(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen);
#define MALLOCX_LG_ALIGN(la) ((int)(la))
#define MALLOCX_ALIGN(a) ((int)(ffsl((int)(a))-1))
#define MALLOCX_ZERO ((int)0x40)
#define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8))
#define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1)
#define MALLOCX_ARENA(a) ((((int)(a))+1) << 20)
void *mallocx(size_t size, int flags);
void *rallocx(void *ptr, size_t size, int flags);
size_t xallocx(void *ptr, size_t size, size_t extra, int flags);
size_t sallocx(const void *ptr, int flags);
void dallocx(void *ptr, int flags);
void sdallocx(void *ptr, size_t size, int flags);
size_t nallocx(size_t size, int flags);
void * __calloc(size_t number, size_t size) __malloc_like;
void * __malloc(size_t size) __malloc_like;
void * __realloc(void *ptr, size_t size);
void __free(void *ptr);
int __posix_memalign(void **ptr, size_t alignment, size_t size);
void *__aligned_alloc(size_t alignment, size_t size);
size_t __malloc_usable_size(const void *ptr);
void __malloc_stats_print(void (*write_cb)(void *, const char *),
void *cbopaque, const char *opts);
int __mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp,
size_t newlen);
int __mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp);
int __mallctlbymib(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen);
void *__mallocx(size_t size, int flags);
void *__rallocx(void *ptr, size_t size, int flags);
size_t __xallocx(void *ptr, size_t size, size_t extra, int flags);
size_t __sallocx(const void *ptr, int flags);
void __dallocx(void *ptr, int flags);
void __sdallocx(void *ptr, size_t size, int flags);
size_t __nallocx(size_t size, int flags);
__END_DECLS
#endif /* _MALLOC_NP_H_ */
