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