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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
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