freebsd-dev/include/malloc_np.h

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/*-
* 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 <strings.h>
__BEGIN_DECLS
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);
#define ALLOCM_LG_ALIGN(la) (la)
#define ALLOCM_ALIGN(a) (ffsl(a)-1)
#define ALLOCM_ZERO ((int)0x40)
#define ALLOCM_NO_MOVE ((int)0x80)
#define ALLOCM_SUCCESS 0
#define ALLOCM_ERR_OOM 1
#define ALLOCM_ERR_NOT_MOVED 2
int allocm(void **ptr, size_t *rsize, size_t size, int flags) __nonnull(1);
int rallocm(void **ptr, size_t *rsize, size_t size, size_t extra,
int flags) __nonnull(1);
int sallocm(const void *ptr, size_t *rsize, int flags) __nonnull(1);
int dallocm(void *ptr, int flags) __nonnull(1);
int nallocm(size_t *rsize, size_t size, int flags);
__END_DECLS
#endif /* _MALLOC_NP_H_ */