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/* -*- 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_stats_num_bins

//   - 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"

#include "stdbool.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"

// jemalloc_stats may only be called on the main thread so that it can access

// main thread only arenas.

#  ifdef __cplusplus

static inline void jemalloc_stats(jemalloc_stats_t* aStats,

                                  jemalloc_bin_stats_t* aBinStats = nullptr) {

  jemalloc_stats_internal(aStats, aBinStats);

#  else

static inline void jemalloc_stats(jemalloc_stats_t* aStats) {

  jemalloc_stats_internal(aStats, NULL);

#  endif

#endif  // MOZ_MEMORY

#define NOTHROW_MALLOC_DECL(name, return_type, ...) \

  MOZ_JEMALLOC_API return_type name(__VA_ARGS__) noexcept(true);

#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