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Diffstat (limited to 'include/malloc_np.h')
| -rw-r--r-- | include/malloc_np.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/include/malloc_np.h b/include/malloc_np.h new file mode 100644 index 000000000000..35c74c4fa0ef --- /dev/null +++ b/include/malloc_np.h @@ -0,0 +1,130 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * 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. + */ + +#ifndef _MALLOC_NP_H_ +#define _MALLOC_NP_H_ + +#include <sys/types.h> + +#ifdef __cplusplus +#define __MyBool bool +#else +#define __MyBool _Bool +#endif + +__BEGIN_DECLS +typedef struct extent_hooks_s extent_hooks_t; +typedef void *(extent_alloc_t)(extent_hooks_t *, void *, size_t, size_t, + __MyBool *, __MyBool *, unsigned); +typedef __MyBool (extent_dalloc_t)(extent_hooks_t *, void *, size_t, __MyBool, + unsigned); +typedef void (extent_destroy_t)(extent_hooks_t *, void *, size_t, __MyBool, + unsigned); +typedef __MyBool (extent_commit_t)(extent_hooks_t *, void *, size_t, size_t, + size_t, unsigned); +typedef __MyBool (extent_decommit_t)(extent_hooks_t *, void *, size_t, size_t, + size_t, unsigned); +typedef __MyBool (extent_purge_t)(extent_hooks_t *, void *, size_t, size_t, size_t, + unsigned); +typedef __MyBool (extent_split_t)(extent_hooks_t *, void *, size_t, size_t, size_t, + __MyBool, unsigned); +typedef __MyBool (extent_merge_t)(extent_hooks_t *, void *, size_t, void *, size_t, + __MyBool, 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); + +void *memalign(size_t, size_t) __malloc_like __alloc_align(1) + __alloc_size(2); +__END_DECLS + +#undef __MyBool + +#endif /* _MALLOC_NP_H_ */ |