1 /* err_hurd added by roland@gnu.ai.mit.edu for GNU Hurd. 2 * 3 * Mach Operating System 4 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 5 * All Rights Reserved. 6 * 7 * Permission to use, copy, modify and distribute this software and its 8 * documentation is hereby granted, provided that both the copyright 9 * notice and this permission notice appear in all copies of the 10 * software, derivative works or modified versions, and any portions 11 * thereof, and that both notices appear in supporting documentation. 12 * 13 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 14 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 15 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 16 * 17 * Carnegie Mellon requests users of this software to return to 18 * 19 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 20 * School of Computer Science 21 * Carnegie Mellon University 22 * Pittsburgh PA 15213-3890 23 * 24 * any improvements or extensions that they make and grant Carnegie Mellon 25 * the rights to redistribute these changes. 26 */ 27 /* 28 * (pre-GNU) HISTORY 29 * 30 * Revision 2.6 93/01/14 17:41:31 danner 31 * Standardized include symbol name. 32 * [92/06/10 pds] 33 * 34 * Revision 2.5 92/03/31 15:18:11 rpd 35 * Added err_bootstrap for bootstrap errors. 36 * [92/03/09 rpd] 37 * 38 * Revision 2.4 91/05/14 16:51:24 mrt 39 * Correcting copyright 40 * 41 * Revision 2.3 91/02/05 17:31:48 mrt 42 * Changed to new Mach copyright 43 * [91/02/01 17:16:50 mrt] 44 * 45 * Revision 2.2 90/06/02 14:57:47 rpd 46 * Added err_mach_ipc for new IPC. 47 * [90/03/26 22:28:42 rpd] 48 * 49 * Revision 2.1 89/08/03 16:02:07 rwd 50 * Created. 51 * 52 * Revision 2.4 89/02/25 18:13:18 gm0w 53 * Changes for cleanup. 54 * 55 * Revision 2.3 89/02/07 00:51:57 mwyoung 56 * Relocated from sys/error.h 57 * 58 * Revision 2.2 88/10/18 00:37:31 mwyoung 59 * Added {system,sub and code}_emask 60 * [88/10/17 17:06:58 mrt] 61 * 62 * Added {system,sub and code}_emask 63 * 64 * 12-May-88 Mary Thompson (mrt) at Carnegie Mellon 65 * Changed mach_error_t from unsigned int to kern_return_t 66 * which is a 32 bit integer regardless of machine type. 67 * unsigned int was incompatible with old usages of mach_error. 68 * 69 * 10-May-88 Douglas Orr (dorr) at Carnegie-Mellon University 70 * Missing endif replaced 71 * 72 * 5-May-88 Mary Thompson (mrt) at Carnegie Mellon 73 * Changed typedef of mach_error_t from long to unsigned int 74 * to keep our Camelot users happy. Also moved the nonkernel 75 * function declarations from here to mach_error.h. 76 * 77 * 10-Feb-88 Douglas Orr (dorr) at Carnegie-Mellon University 78 * Created. 79 * 80 */ 81 /* 82 * File: mach/error.h 83 * Purpose: 84 * error module definitions 85 * 86 */ 87 88 #ifndef _MACH_ERROR_H_ 89 #define _MACH_ERROR_H_ 90 #include <mach/kern_return.h> 91 92 /* 93 * error number layout as follows: 94 * 95 * hi lo 96 * | system(6) | subsystem(12) | code(14) | 97 */ 98 99 100 #define err_none (mach_error_t)0 101 #define ERR_SUCCESS (mach_error_t)0 102 #define ERR_ROUTINE_NIL (mach_error_fn_t)0 103 104 105 #define err_system(x) (((x)&0x3f)<<26) 106 #define err_sub(x) (((x)&0xfff)<<14) 107 108 #define err_get_system(err) (((err)>>26)&0x3f) 109 #define err_get_sub(err) (((err)>>14)&0xfff) 110 #define err_get_code(err) ((err)&0x3fff) 111 112 #define system_emask (err_system(0x3f)) 113 #define sub_emask (err_sub(0xfff)) 114 #define code_emask (0x3fff) 115 116 117 /* major error systems */ 118 #define err_kern err_system(0x0) /* kernel */ 119 #define err_us err_system(0x1) /* user space library */ 120 #define err_server err_system(0x2) /* user space servers */ 121 #define err_ipc err_system(0x3) /* old ipc errors */ 122 #define err_mach_ipc err_system(0x4) /* mach-ipc errors */ 123 #define err_bootstrap err_system(0x5) /* bootstrap errors */ 124 #define err_hurd err_system(0x10) /* GNU Hurd server errors */ 125 #define err_local err_system(0x3e) /* user defined errors */ 126 #define err_ipc_compat err_system(0x3f) /* (compatibility) mach-ipc errors */ 127 128 #define err_max_system 0x3f 129 130 131 /* unix errors get lumped into one subsystem */ 132 #define unix_err(errno) (err_kern|err_sub(3)|errno) 133 134 typedef kern_return_t mach_error_t; 135 /* typedef mach_error_t (* mach_error_fn_t)(); */ 136 137 #endif /* _MACH_ERROR_H_ */ 138