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Diffstat (limited to 'memory/build/mozmemory.h')
-rw-r--r-- | memory/build/mozmemory.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/memory/build/mozmemory.h b/memory/build/mozmemory.h new file mode 100644 index 0000000000..1fd2385f33 --- /dev/null +++ b/memory/build/mozmemory.h @@ -0,0 +1,77 @@ +/* -*- 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" + +# 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 |