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105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/* -*- Mode: C; tab-width: 8; c-basic-offset: 8 -*- */
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/* vim:set softtabstop=8 shiftwidth=8: */
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/*-
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* Copyright (C) 2006-2008 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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#ifndef _JEMALLOC_H_
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#define _JEMALLOC_H_
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/* grab size_t */
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#ifdef _MSC_VER
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#include <crtdefs.h>
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#else
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#include <stddef.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef unsigned char jemalloc_bool;
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extern const char *_malloc_options;
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/*
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* jemalloc_stats() is not a stable interface. When using jemalloc_stats_t, be
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* sure that the compiled results of jemalloc.c are in sync with this header
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* file.
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*/
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typedef struct {
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/*
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* Run-time configuration settings.
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*/
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jemalloc_bool opt_abort; /* abort(3) on error? */
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jemalloc_bool opt_junk; /* Fill allocated/free memory with 0xa5/0x5a? */
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jemalloc_bool opt_utrace; /* Trace all allocation events? */
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jemalloc_bool opt_sysv; /* SysV semantics? */
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jemalloc_bool opt_xmalloc; /* abort(3) on OOM? */
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jemalloc_bool opt_zero; /* Fill allocated memory with 0x0? */
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size_t narenas; /* Number of arenas. */
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size_t balance_threshold; /* Arena contention rebalance threshold. */
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size_t quantum; /* Allocation quantum. */
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size_t small_max; /* Max quantum-spaced allocation size. */
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size_t large_max; /* Max sub-chunksize allocation size. */
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size_t chunksize; /* Size of each virtual memory mapping. */
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size_t dirty_max; /* Max dirty pages per arena. */
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/*
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* Current memory usage statistics.
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*/
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size_t mapped; /* Bytes mapped (not necessarily committed). */
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size_t committed; /* Bytes committed (readable/writable). */
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size_t allocated; /* Bytes allocted (in use by application). */
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size_t dirty; /* Bytes dirty (committed unused pages). */
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} jemalloc_stats_t;
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/* Darwin and Linux already have memory allocation functions */
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#if (!defined(MOZ_MEMORY_DARWIN) && !defined(MOZ_MEMORY_LINUX))
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void *malloc(size_t size);
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void *valloc(size_t size);
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void *calloc(size_t num, size_t size);
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void *realloc(void *ptr, size_t size);
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void free(void *ptr);
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int posix_memalign(void **memptr, size_t alignment, size_t size);
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#endif /* MOZ_MEMORY_DARWIN, MOZ_MEMORY_LINUX */
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/* Linux has memalign */
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#if !defined(MOZ_MEMORY_LINUX)
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void *memalign(size_t alignment, size_t size);
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#endif /* MOZ_MEMORY_LINUX */
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size_t malloc_usable_size(const void *ptr);
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void jemalloc_stats(jemalloc_stats_t *stats);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* _JEMALLOC_H_ */
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