1157236Sjasone/*- 2157236Sjasone * Copyright (C) 2006 Jason Evans <jasone@FreeBSD.org>. 3157236Sjasone * All rights reserved. 4157236Sjasone * 5157236Sjasone * Redistribution and use in source and binary forms, with or without 6157236Sjasone * modification, are permitted provided that the following conditions 7157236Sjasone * are met: 8157236Sjasone * 1. Redistributions of source code must retain the above copyright 9157236Sjasone * notice(s), this list of conditions and the following disclaimer as 10157236Sjasone * the first lines of this file unmodified other than the possible 11157236Sjasone * addition of one or more copyright notices. 12157236Sjasone * 2. Redistributions in binary form must reproduce the above copyright 13157236Sjasone * notice(s), this list of conditions and the following disclaimer in 14157236Sjasone * the documentation and/or other materials provided with the 15157236Sjasone * distribution. 16157236Sjasone * 17157236Sjasone * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 18157236Sjasone * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19157236Sjasone * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20157236Sjasone * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE 21157236Sjasone * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22157236Sjasone * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23157236Sjasone * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24157236Sjasone * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25157236Sjasone * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26157236Sjasone * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27157236Sjasone * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28157236Sjasone * 29157236Sjasone * $FreeBSD$ 30157236Sjasone */ 31157236Sjasone 32157236Sjasone#ifndef _MALLOC_NP_H_ 33157236Sjasone#define _MALLOC_NP_H_ 34160056Sjasone#include <sys/cdefs.h> 35160056Sjasone#include <sys/types.h> 36286934Sjasone#include <stdbool.h> 37234370Sjasone#include <strings.h> 38157236Sjasone 39160056Sjasone__BEGIN_DECLS 40286934Sjasonetypedef void *(chunk_alloc_t)(void *, size_t, size_t, bool *, bool *, unsigned); 41286934Sjasonetypedef bool (chunk_dalloc_t)(void *, size_t, bool, unsigned); 42286934Sjasonetypedef bool (chunk_commit_t)(void *, size_t, size_t, size_t, unsigned); 43286934Sjasonetypedef bool (chunk_decommit_t)(void *, size_t, size_t, size_t, unsigned); 44286934Sjasonetypedef bool (chunk_purge_t)(void *, size_t, size_t, size_t, unsigned); 45286934Sjasonetypedef bool (chunk_split_t)(void *, size_t, size_t, size_t, bool, unsigned); 46286934Sjasonetypedef bool (chunk_merge_t)(void *, size_t, void *, size_t, bool, unsigned); 47286866Sjasonetypedef struct { 48286866Sjasone chunk_alloc_t *alloc; 49286866Sjasone chunk_dalloc_t *dalloc; 50286866Sjasone chunk_commit_t *commit; 51286866Sjasone chunk_decommit_t *decommit; 52286866Sjasone chunk_purge_t *purge; 53286866Sjasone chunk_split_t *split; 54286866Sjasone chunk_merge_t *merge; 55286866Sjasone} chunk_hooks_t; 56286866Sjasone 57157236Sjasonesize_t malloc_usable_size(const void *ptr); 58234370Sjasone 59234370Sjasonevoid malloc_stats_print(void (*write_cb)(void *, const char *), 60234370Sjasone void *cbopaque, const char *opts); 61234370Sjasoneint mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp, 62234370Sjasone size_t newlen); 63234370Sjasoneint mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp); 64234370Sjasoneint mallctlbymib(const size_t *mib, size_t miblen, void *oldp, 65234370Sjasone size_t *oldlenp, void *newp, size_t newlen); 66234370Sjasone 67261071Sjasone#define MALLOCX_LG_ALIGN(la) (la) 68261071Sjasone#define MALLOCX_ALIGN(a) (ffsl(a)-1) 69261071Sjasone#define MALLOCX_ZERO ((int)0x40) 70286866Sjasone#define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8)) 71286866Sjasone#define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1) 72286866Sjasone#define MALLOCX_ARENA(a) ((int)(((a)+1) << 20)) 73261071Sjasone 74261071Sjasonevoid *mallocx(size_t size, int flags); 75261071Sjasonevoid *rallocx(void *ptr, size_t size, int flags); 76261071Sjasonesize_t xallocx(void *ptr, size_t size, size_t extra, int flags); 77261071Sjasonesize_t sallocx(const void *ptr, int flags); 78261071Sjasonevoid dallocx(void *ptr, int flags); 79286866Sjasonevoid sdallocx(void *ptr, size_t size, int flags); 80261071Sjasonesize_t nallocx(size_t size, int flags); 81261071Sjasone 82286866Sjasonevoid * __calloc(size_t number, size_t size) __malloc_like; 83286866Sjasonevoid * __malloc(size_t size) __malloc_like; 84286866Sjasonevoid * __realloc(void *ptr, size_t size); 85286866Sjasonevoid __free(void *ptr); 86286866Sjasoneint __posix_memalign(void **ptr, size_t alignment, size_t size); 87286866Sjasonevoid *__aligned_alloc(size_t alignment, size_t size); 88286866Sjasonesize_t __malloc_usable_size(const void *ptr); 89296221Sjasonevoid __malloc_stats_print(void (*write_cb)(void *, const char *), 90296221Sjasone void *cbopaque, const char *opts); 91296221Sjasoneint __mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp, 92296221Sjasone size_t newlen); 93296221Sjasoneint __mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp); 94296221Sjasoneint __mallctlbymib(const size_t *mib, size_t miblen, void *oldp, 95296221Sjasone size_t *oldlenp, void *newp, size_t newlen); 96261071Sjasonevoid *__mallocx(size_t size, int flags); 97261071Sjasonevoid *__rallocx(void *ptr, size_t size, int flags); 98261071Sjasonesize_t __xallocx(void *ptr, size_t size, size_t extra, int flags); 99261071Sjasonesize_t __sallocx(const void *ptr, int flags); 100261071Sjasonevoid __dallocx(void *ptr, int flags); 101286866Sjasonevoid __sdallocx(void *ptr, size_t size, int flags); 102261071Sjasonesize_t __nallocx(size_t size, int flags); 103160056Sjasone__END_DECLS 104157236Sjasone 105157236Sjasone#endif /* _MALLOC_NP_H_ */ 106