1 /* 2 * Copyright (c) 2000 Apple Computer, 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 * @OSF_COPYRIGHT@ 30 */ 31 /* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56 /* 57 */ 58 /* 59 * File: mach/error.h 60 * Purpose: 61 * error module definitions 62 * 63 */ 64 65 #ifndef _MACH_ERROR_H_ 66 #define _MACH_ERROR_H_ 67 68 #include <mach/kern_return.h> 69 70 /* 71 * error number layout as follows: 72 * 73 * hi lo 74 * | system(6) | subsystem(12) | code(14) | 75 */ 76 77 78 #define err_none (mach_error_t)0 79 #define ERR_SUCCESS (mach_error_t)0 80 #define ERR_ROUTINE_NIL (mach_error_fn_t)0 81 82 83 #define err_system(x) ((signed)((((unsigned)(x))&0x3f)<<26)) 84 #define err_sub(x) (((x)&0xfff)<<14) 85 86 #define err_get_system(err) (((err)>>26)&0x3f) 87 #define err_get_sub(err) (((err)>>14)&0xfff) 88 #define err_get_code(err) ((err)&0x3fff) 89 90 #define system_emask (err_system(0x3f)) 91 #define sub_emask (err_sub(0xfff)) 92 #define code_emask (0x3fff) 93 94 95 /* major error systems */ 96 #define err_kern err_system(0x0) /* kernel */ 97 #define err_us err_system(0x1) /* user space library */ 98 #define err_server err_system(0x2) /* user space servers */ 99 #define err_ipc err_system(0x3) /* old ipc errors */ 100 #define err_mach_ipc err_system(0x4) /* mach-ipc errors */ 101 #define err_dipc err_system(0x7) /* distributed ipc */ 102 #define err_local err_system(0x3e) /* user defined errors */ 103 #define err_ipc_compat err_system(0x3f) /* (compatibility) mach-ipc errors */ 104 105 #define err_max_system 0x3f 106 107 108 /* unix errors get lumped into one subsystem */ 109 #define unix_err(errno) (err_kern|err_sub(3)|errno) 110 111 typedef kern_return_t mach_error_t; 112 typedef mach_error_t (* mach_error_fn_t)( void ); 113 114 #endif /* _MACH_ERROR_H_ */