libbase/jemalloc.h

   1 /* -*- Mode: C; tab-width: 8; c-basic-offset: 8 -*- */
   2 /* vim:set softtabstop=8 shiftwidth=8: */
   3 /*-
   4  * Copyright (C) 2006-2008 Jason Evans <jasone@FreeBSD.org>.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice(s), this list of conditions and the following disclaimer as
  12  *    the first lines of this file unmodified other than the possible
  13  *    addition of one or more copyright notices.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice(s), this list of conditions and the following disclaimer in
  16  *    the documentation and/or other materials provided with the
  17  *    distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
  20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
  23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  26  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  28  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  29  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _JEMALLOC_H_
  33 #define _JEMALLOC_H_
  34
  35 #include "jemalloc_types.h"
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 extern const char *_malloc_options;
  42
  43 /* Darwin and Linux already have memory allocation functions */
  44 #if (!defined(MOZ_MEMORY_DARWIN) && !defined(MOZ_MEMORY_LINUX))
  45 void    *malloc(size_t size);
  46 void    *valloc(size_t size);
  47 void    *calloc(size_t num, size_t size);
  48 void    *realloc(void *ptr, size_t size);
  49 void    free(void *ptr);
  50 int     posix_memalign(void **memptr, size_t alignment, size_t size);
  51 #endif /* MOZ_MEMORY_DARWIN, MOZ_MEMORY_LINUX */
  52
  53 #if defined(MOZ_MEMORY_ANDROID) || defined(WRAP_MALLOC)
  54 void    *je_malloc(size_t size);
  55 void    *je_valloc(size_t size);
  56 void    *je_calloc(size_t num, size_t size);
  57 void    *je_realloc(void *ptr, size_t size);
  58 void    je_free(void *ptr);
  59 int     je_posix_memalign(void **memptr, size_t alignment, size_t size);
  60 char    *je_strndup(const char *src, size_t len);
  61 char    *je_strdup(const char *src);
  62 #endif
  63
  64 /* Linux has memalign and malloc_usable_size */
  65 #if !defined(MOZ_MEMORY_LINUX)
  66 void    *memalign(size_t alignment, size_t size);
  67 size_t  malloc_usable_size(const void *ptr);
  68 #endif /* MOZ_MEMORY_LINUX */
  69
  70 void    jemalloc_stats(jemalloc_stats_t *stats);
  71
  72 #ifdef __cplusplus
  73 } /* extern "C" */
  74 #endif
  75
  76 #endif /* _JEMALLOC_H_ */