cbeacb7c46
prior to 3.0.0 release) as contrib/jemalloc, and integrate it into libc. The code being imported by this commit diverged from lib/libc/stdlib/malloc.c in March 2010, which means that a portion of the jemalloc 1.0.0 ChangeLog entries are relevant, as are the entries for all subsequent releases.
69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
/*-
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* Copyright (C) 2006 Jason Evans <jasone@FreeBSD.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice(s), this list of conditions and the following disclaimer as
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* the first lines of this file unmodified other than the possible
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* addition of one or more copyright notices.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice(s), this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MALLOC_NP_H_
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#define _MALLOC_NP_H_
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <strings.h>
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__BEGIN_DECLS
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size_t malloc_usable_size(const void *ptr);
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void malloc_stats_print(void (*write_cb)(void *, const char *),
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void *cbopaque, const char *opts);
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int mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp,
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size_t newlen);
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int mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp);
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int mallctlbymib(const size_t *mib, size_t miblen, void *oldp,
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size_t *oldlenp, void *newp, size_t newlen);
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#define ALLOCM_LG_ALIGN(la) (la)
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#define ALLOCM_ALIGN(a) (ffsl(a)-1)
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#define ALLOCM_ZERO ((int)0x40)
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#define ALLOCM_NO_MOVE ((int)0x80)
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#define ALLOCM_SUCCESS 0
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#define ALLOCM_ERR_OOM 1
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#define ALLOCM_ERR_NOT_MOVED 2
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int allocm(void **ptr, size_t *rsize, size_t size, int flags)
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__attribute__(nonnull(1));
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int rallocm(void **ptr, size_t *rsize, size_t size, size_t extra,
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int flags) __attribute__(nonnull(1));
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int sallocm(const void *ptr, size_t *rsize, int flags)
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__attribute__(nonnull(1));
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int dallocm(void *ptr, int flags) __attribute__(nonnull(1));
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int nallocm(size_t *rsize, size_t size, int flags);
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__END_DECLS
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#endif /* _MALLOC_NP_H_ */
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