1/* 2 * Copyright (c) 2010-2014 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifndef __LIBKERNEL_INIT_H 30#define __LIBKERNEL_INIT_H 31 32#include <sys/types.h> 33#include <mach/mach.h> 34#include <mach/message.h> 35#include <mach/mach_types.h> 36 37#ifndef __OS_VOUCHER_PRIVATE__ 38// We cannot include the actual os/voucher_private.h definition of voucher_t 39// here, as that also marks the voucher_XXX functions as exported, which causes 40// a compile error when we attempt to mark them hidden in the .c file. 41// 42// The Libsystem init.c file does include os/voucher_private.h though, as well 43// as this file, and this typedef causes an error if it is unguarded. 44struct voucher_s; 45typedef struct voucher_s *voucher_t; 46#endif 47 48typedef const struct _libkernel_functions { 49 /* The following functions are included in version 1 of this structure */ 50 unsigned long version; 51 void* (*dlsym)(void*, const char*); 52 void* (*malloc)(size_t); 53 void (*free)(void*); 54 void* (*realloc)(void*, size_t); 55 void (*_pthread_exit_if_canceled)(int); 56 57 /* The following functions are included in version 2 of this structure */ 58 void *reserved1; 59 void *reserved2; 60 void *reserved3; 61 void *reserved4; 62 void *reserved5; 63 64 /* The following functions are included in version 3 of this structure */ 65 void (*pthread_clear_qos_tsd)(mach_port_t); 66 67 /* Subsequent versions must only add pointers! */ 68} *_libkernel_functions_t; 69 70typedef const struct _libkernel_voucher_functions { 71 /* The following functions are included in version 1 of this structure */ 72 unsigned long version; 73 boolean_t (*voucher_mach_msg_set)(mach_msg_header_t*); 74 void (*voucher_mach_msg_clear)(mach_msg_header_t*); 75 voucher_mach_msg_state_t (*voucher_mach_msg_adopt)(mach_msg_header_t*); 76 void (*voucher_mach_msg_revert)(voucher_mach_msg_state_t); 77 78 /* Subsequent versions must only add pointers! */ 79} *_libkernel_voucher_functions_t; 80 81struct ProgramVars; /* forward reference */ 82 83void __libkernel_init(_libkernel_functions_t fns, const char *envp[], 84 const char *apple[], const struct ProgramVars *vars); 85 86kern_return_t __libkernel_voucher_init(_libkernel_voucher_functions_t fns); 87 88#endif // __LIBKERNEL_INIT_H 89