/* -*- 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 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. staticinline size_t _malloc_good_size(size_t size) { # ifdefined(MOZ_GLUE_IN_PROGRAM) && !defined(IMPL_MFBT) if (!malloc_good_size) return size; # endif return malloc_good_size_impl(size);
}
// jemalloc_stats may only be called on the main thread so that it can access // main thread only arenas. # ifdef __cplusplus staticinlinevoid jemalloc_stats(jemalloc_stats_t* aStats,
jemalloc_bin_stats_t* aBinStats = nullptr) {
jemalloc_stats_internal(aStats, aBinStats);
} # else staticinlinevoid jemalloc_stats(jemalloc_stats_t* aStats) {
jemalloc_stats_internal(aStats, NULL);
} # endif
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