DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (1aeaa33a64f9)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozmemory_h
#define mozmemory_h

// This header is meant to be used when the following functions are
// necessary:
//   - malloc_good_size (used to be called je_malloc_usable_in_advance)
//   - jemalloc_stats
//   - jemalloc_purge_freed_pages
//   - jemalloc_free_dirty_pages
//   - jemalloc_thread_local_arena
//   - jemalloc_ptr_info

#ifdef MALLOC_H
#include MALLOC_H
#endif
#include "mozmemory_wrap.h"
#include "mozilla/Attributes.h"
#include "mozilla/Types.h"
#include "mozjemalloc_types.h"

#ifdef MOZ_MEMORY
// On OSX, malloc/malloc.h contains the declaration for malloc_good_size,
// which will call back in jemalloc, through the zone allocator so just use it.
#ifndef XP_DARWIN
MOZ_MEMORY_API size_t malloc_good_size_impl(size_t size);

// Note: the MOZ_GLUE_IN_PROGRAM ifdef below is there to avoid -Werror turning
// the protective if into errors. MOZ_GLUE_IN_PROGRAM is what triggers MFBT_API
// to use weak imports.
static inline size_t _malloc_good_size(size_t size) {
#if defined(MOZ_GLUE_IN_PROGRAM) && !defined(IMPL_MFBT)
  if (!malloc_good_size) return size;
#endif
  return malloc_good_size_impl(size);
}

#define malloc_good_size _malloc_good_size
#endif

#define MALLOC_DECL(name, return_type, ...) \
  MOZ_JEMALLOC_API return_type name(__VA_ARGS__);
#define MALLOC_FUNCS MALLOC_FUNCS_JEMALLOC
#include "malloc_decls.h"

#endif

#define MALLOC_DECL(name, return_type, ...) \
  MOZ_JEMALLOC_API return_type name(__VA_ARGS__);
#define MALLOC_FUNCS MALLOC_FUNCS_ARENA
#include "malloc_decls.h"

#ifdef __cplusplus
#define moz_create_arena() moz_create_arena_with_params(nullptr)
#else
#define moz_create_arena() moz_create_arena_with_params(NULL)
#endif

#endif  // mozmemory_h