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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Copyright (c) 1995, 1994, 1993, 1992, 1991, 1990
27: * Open Software Foundation, Inc.
28: *
29: * Permission to use, copy, modify, and distribute this software and
30: * its documentation for any purpose and without fee is hereby granted,
31: * provided that the above copyright notice appears in all copies and
32: * that both the copyright notice and this permission notice appear in
33: * supporting documentation, and that the name of ("OSF") or Open Software
34: * Foundation not be used in advertising or publicity pertaining to
35: * distribution of the software without specific, written prior permission.
36: *
37: * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
38: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
39: * FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL OSF BE LIABLE FOR ANY
40: * SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
41: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
42: * ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING
43: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE
44: */
45: /*
46: * OSF Research Institute MK6.1 (unencumbered) 1/31/1995
47: */
48: /*
49: * Mach Operating System
50: * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
51: * All Rights Reserved.
52: *
53: * Permission to use, copy, modify and distribute this software and its
54: * documentation is hereby granted, provided that both the copyright
55: * notice and this permission notice appear in all copies of the
56: * software, derivative works or modified versions, and any portions
57: * thereof, and that both notices appear in supporting documentation.
58: *
59: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
60: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
61: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
62: *
63: * Carnegie Mellon requests users of this software to return to
64: *
65: * Software Distribution Coordinator or [email protected]
66: * School of Computer Science
67: * Carnegie Mellon University
68: * Pittsburgh PA 15213-3890
69: *
70: * any improvements or extensions that they make and grant Carnegie Mellon
71: * the rights to redistribute these changes.
72: */
73: /*
74: * File: mach/error.h
75: * Purpose:
76: * error module definitions
77: *
78: */
79:
80: #ifndef _MACH_ERROR_H_
81: #define _MACH_ERROR_H_
82: #include <mach/kern_return.h>
83:
84: /*
85: * error number layout as follows:
86: *
87: * hi lo
88: * | system(6) | subsystem(12) | code(14) |
89: */
90:
91:
92: #define err_none (mach_error_t)0
93: #define ERR_SUCCESS (mach_error_t)0
94: #define ERR_ROUTINE_NIL (mach_error_fn_t)0
95:
96:
97: #define err_system(x) (((x)&0x3f)<<26)
98: #define err_sub(x) (((x)&0xfff)<<14)
99:
100: #define err_get_system(err) (((err)>>26)&0x3f)
101: #define err_get_sub(err) (((err)>>14)&0xfff)
102: #define err_get_code(err) ((err)&0x3fff)
103:
104: #define system_emask (err_system(0x3f))
105: #define sub_emask (err_sub(0xfff))
106: #define code_emask (0x3fff)
107:
108:
109: /* major error systems */
110: #define err_kern err_system(0x0) /* kernel */
111: #define err_us err_system(0x1) /* user space library */
112: #define err_server err_system(0x2) /* user space servers */
113: #define err_ipc err_system(0x3) /* old ipc errors */
114: #define err_mach_ipc err_system(0x4) /* mach-ipc errors */
115: #define err_local err_system(0x3e) /* user defined errors */
116: #define err_ipc_compat err_system(0x3f) /* (compatibility) mach-ipc errors */
117:
118: #define err_max_system 0x3f
119:
120:
121: /* unix errors get lumped into one subsystem */
122: #define unix_err(errno) (err_kern|err_sub(3)|errno)
123:
124: typedef kern_return_t mach_error_t;
125: typedef mach_error_t (* mach_error_fn_t)( void );
126:
127: #endif /* _MACH_ERROR_H_ */
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