projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b A |
27 | */ |
| 28 | /* | |
| 29 | * @OSF_COPYRIGHT@ | |
| 30 | */ | |
| 1c79356b A |
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 | ||
| 91447636 A |
65 | #ifndef _MACH_ERROR_H_ |
| 66 | #define _MACH_ERROR_H_ | |
| 67 | ||
| 1c79356b A |
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) (((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 | ||
| 91447636 | 114 | #endif /* _MACH_ERROR_H_ */ |