115 lines
4.1 KiB
C
115 lines
4.1 KiB
C
/*
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* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* @OSF_COPYRIGHT@
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*/
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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*/
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/*
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* File: mach/error.h
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* Purpose:
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* error module definitions
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*
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*/
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#ifndef _MACH_ERROR_H_
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#define _MACH_ERROR_H_
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#include <mach/kern_return.h>
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/*
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* error number layout as follows:
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*
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* hi lo
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* | system(6) | subsystem(12) | code(14) |
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*/
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#define err_none (mach_error_t)0
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#define ERR_SUCCESS (mach_error_t)0
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#define ERR_ROUTINE_NIL (mach_error_fn_t)0
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#define err_system(x) ((signed)((((unsigned)(x))&0x3f)<<26))
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#define err_sub(x) (((x)&0xfff)<<14)
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#define err_get_system(err) (((err)>>26)&0x3f)
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#define err_get_sub(err) (((err)>>14)&0xfff)
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#define err_get_code(err) ((err)&0x3fff)
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#define system_emask (err_system(0x3f))
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#define sub_emask (err_sub(0xfff))
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#define code_emask (0x3fff)
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/* major error systems */
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#define err_kern err_system(0x0) /* kernel */
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#define err_us err_system(0x1) /* user space library */
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#define err_server err_system(0x2) /* user space servers */
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#define err_ipc err_system(0x3) /* old ipc errors */
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#define err_mach_ipc err_system(0x4) /* mach-ipc errors */
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#define err_dipc err_system(0x7) /* distributed ipc */
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#define err_local err_system(0x3e) /* user defined errors */
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#define err_ipc_compat err_system(0x3f) /* (compatibility) mach-ipc errors */
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#define err_max_system 0x3f
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/* unix errors get lumped into one subsystem */
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#define unix_err(errno) (err_kern|err_sub(3)|errno)
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typedef kern_return_t mach_error_t;
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typedef mach_error_t (* mach_error_fn_t)( void );
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#endif /* _MACH_ERROR_H_ */
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