1 /* 2 * Copyright 1991-1998 by Open Software Foundation, Inc. 3 * All Rights Reserved 4 * 5 * Permission to use, copy, modify, and distribute this software and 6 * its documentation for any purpose and without fee is hereby granted, 7 * provided that the above copyright notice appears in all copies and 8 * that both the copyright notice and this permission notice appear in 9 * supporting documentation. 10 * 11 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 12 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 13 * FOR A PARTICULAR PURPOSE. 14 * 15 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 16 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 17 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 18 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 19 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 /* 22 * MkLinux 23 */ 24 /* CMU_HIST */ 25 /* 26 * Revision 2.4 91/05/14 16:51:24 mrt 27 * Correcting copyright 28 * 29 * Revision 2.3 91/02/05 17:31:48 mrt 30 * Changed to new Mach copyright 31 * [91/02/01 17:16:50 mrt] 32 * 33 * Revision 2.2 90/06/02 14:57:47 rpd 34 * Added err_mach_ipc for new IPC. 35 * [90/03/26 22:28:42 rpd] 36 * 37 * Revision 2.1 89/08/03 16:02:07 rwd 38 * Created. 39 * 40 * Revision 2.4 89/02/25 18:13:18 gm0w 41 * Changes for cleanup. 42 * 43 * Revision 2.3 89/02/07 00:51:57 mwyoung 44 * Relocated from sys/error.h 45 * 46 * Revision 2.2 88/10/18 00:37:31 mwyoung 47 * Added {system,sub and code}_emask 48 * [88/10/17 17:06:58 mrt] 49 * 50 * Added {system,sub and code}_emask 51 * 52 * 12-May-88 Mary Thompson (mrt) at Carnegie Mellon 53 * Changed mach_error_t from unsigned int to kern_return_t 54 * which is a 32 bit integer regardless of machine type. 55 * insigned int was incompatible with old usages of mach_error. 56 * 57 * 10-May-88 Douglas Orr (dorr) at Carnegie-Mellon University 58 * Missing endif replaced 59 * 60 * 5-May-88 Mary Thompson (mrt) at Carnegie Mellon 61 * Changed typedef of mach_error_t from long to unsigned int 62 * to keep our Camelot users happy. Also moved the nonkernel 63 * function declarations from here to mach_error.h. 64 * 65 * 10-Feb-88 Douglas Orr (dorr) at Carnegie-Mellon University 66 * Created. 67 * 68 */ 69 /* CMU_ENDHIST */ 70 /* 71 * Mach Operating System 72 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 73 * All Rights Reserved. 74 * 75 * Permission to use, copy, modify and distribute this software and its 76 * documentation is hereby granted, provided that both the copyright 77 * notice and this permission notice appear in all copies of the 78 * software, derivative works or modified versions, and any portions 79 * thereof, and that both notices appear in supporting documentation. 80 * 81 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 82 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 83 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 84 * 85 * Carnegie Mellon requests users of this software to return to 86 * 87 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 88 * School of Computer Science 89 * Carnegie Mellon University 90 * Pittsburgh PA 15213-3890 91 * 92 * any improvements or extensions that they make and grant Carnegie Mellon 93 * the rights to redistribute these changes. 94 */ 95 /* 96 */ 97 /* 98 * File: mach/error.h 99 * Purpose: 100 * error module definitions 101 * 102 */ 103 104 #ifndef ERROR_H_ 105 #define ERROR_H_ 106 #include <mach/kern_return.h> 107 108 /* 109 * error number layout as follows: 110 * 111 * hi lo 112 * | system(6) | subsystem(12) | code(14) | 113 */ 114 115 116 #define err_none (mach_error_t)0 117 #define ERR_SUCCESS (mach_error_t)0 118 #define ERR_ROUTINE_NIL (mach_error_fn_t)0 119 120 121 #define err_system(x) (((x)&0x3f)<<26) 122 #define err_sub(x) (((x)&0xfff)<<14) 123 124 #define err_get_system(err) (((err)>>26)&0x3f) 125 #define err_get_sub(err) (((err)>>14)&0xfff) 126 #define err_get_code(err) ((err)&0x3fff) 127 128 #define system_emask (err_system(0x3f)) 129 #define sub_emask (err_sub(0xfff)) 130 #define code_emask (0x3fff) 131 132 133 /* major error systems */ 134 #define err_kern err_system(0x0) /* kernel */ 135 #define err_us err_system(0x1) /* user space library */ 136 #define err_server err_system(0x2) /* user space servers */ 137 #define err_ipc err_system(0x3) /* old ipc errors */ 138 #define err_mach_ipc err_system(0x4) /* mach-ipc errors */ 139 #define err_dipc err_system(0x7) /* distributed ipc */ 140 #define err_local err_system(0x3e) /* user defined errors */ 141 #define err_ipc_compat err_system(0x3f) /* (compatibility) mach-ipc errors */ 142 143 #define err_max_system 0x3f 144 145 146 /* unix errors get lumped into one subsystem */ 147 #define unix_err(errno) (err_kern|err_sub(3)|errno) 148 149 typedef kern_return_t mach_error_t; 150 typedef mach_error_t (* mach_error_fn_t)( void ); 151 152 #endif /* ERROR_H_ */ 153