/* * Copyright (c) 2018 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* Make TAPI happy by declaring things that other projects forward-declare. */ /* This header is not installed anywhere. */ /* For Libsystem */ void _malloc_fork_child(void); void _malloc_fork_parent(void); void _malloc_fork_prepare(void); /* For various debugging tools? */ void scalable_zone_info(malloc_zone_t *zone, unsigned *info_to_fill, unsigned count); void (*malloc_error(void (*func)(int)))(int); extern uint64_t __mach_stack_logging_shared_memory_address; /* At least for malloc_replay.cpp */ void mag_set_thread_index(unsigned int index); /* Externally visible from magazine_malloc.h. Not worth pulling the whole header into tapi just for this one. */ boolean_t scalable_zone_statistics(malloc_zone_t *zone, malloc_statistics_t *stats, unsigned subzone); /* Globals for performance tools, replicated here from the top of malloc.c */ typedef void(malloc_logger_t)(uint32_t type, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t result, uint32_t num_hot_frames_to_skip); extern int32_t malloc_num_zones; extern int32_t malloc_num_zones_allocated; extern malloc_zone_t **malloc_zones; extern malloc_logger_t *malloc_logger; extern unsigned malloc_check_start; extern unsigned malloc_check_counter; extern unsigned malloc_check_each; extern int _malloc_no_asl_log; extern int _os_cpu_number_override; /* Globally visible for manual debugging? */ extern unsigned szone_check_counter; extern unsigned szone_check_start; extern unsigned szone_check_modulo; /* CoreServices checkfixes */ void malloc_create_legacy_default_zone(void); void zeroify_scalable_zone(malloc_zone_t *zone); /* This is extern-declared by some projects, like racoon (ipsec) */ /* Maybe we can change it to a symbol-alias of free? */ void vfree(void *ptr); /* Obsolete entry points. They don't work, don't use them. */ void set_malloc_singlethreaded(boolean_t); void malloc_singlethreaded(void); int malloc_debug(int); /* WeChat references this, only god knows why. This symbol does nothing. */ extern int stack_logging_enable_logging; /* For debugging */ void tiny_print_region_free_list(void *ptr, unsigned int slot);