138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
/* err_hurd added by roland@gnu.ai.mit.edu for GNU Hurd.
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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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* (pre-GNU) HISTORY
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*
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* Revision 2.6 93/01/14 17:41:31 danner
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* Standardized include symbol name.
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* [92/06/10 pds]
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*
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* Revision 2.5 92/03/31 15:18:11 rpd
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* Added err_bootstrap for bootstrap errors.
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* [92/03/09 rpd]
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*
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* Revision 2.4 91/05/14 16:51:24 mrt
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* Correcting copyright
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*
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* Revision 2.3 91/02/05 17:31:48 mrt
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* Changed to new Mach copyright
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* [91/02/01 17:16:50 mrt]
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*
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* Revision 2.2 90/06/02 14:57:47 rpd
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* Added err_mach_ipc for new IPC.
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* [90/03/26 22:28:42 rpd]
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*
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* Revision 2.1 89/08/03 16:02:07 rwd
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* Created.
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*
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* Revision 2.4 89/02/25 18:13:18 gm0w
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* Changes for cleanup.
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*
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* Revision 2.3 89/02/07 00:51:57 mwyoung
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* Relocated from sys/error.h
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*
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* Revision 2.2 88/10/18 00:37:31 mwyoung
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* Added {system,sub and code}_emask
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* [88/10/17 17:06:58 mrt]
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*
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* Added {system,sub and code}_emask
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*
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* 12-May-88 Mary Thompson (mrt) at Carnegie Mellon
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* Changed mach_error_t from unsigned int to kern_return_t
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* which is a 32 bit integer regardless of machine type.
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* unsigned int was incompatible with old usages of mach_error.
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*
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* 10-May-88 Douglas Orr (dorr) at Carnegie-Mellon University
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* Missing endif replaced
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*
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* 5-May-88 Mary Thompson (mrt) at Carnegie Mellon
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* Changed typedef of mach_error_t from long to unsigned int
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* to keep our Camelot users happy. Also moved the nonkernel
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* function declarations from here to mach_error.h.
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*
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* 10-Feb-88 Douglas Orr (dorr) at Carnegie-Mellon University
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* Created.
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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) (((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_bootstrap err_system(0x5) /* bootstrap errors */
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#define err_hurd err_system(0x10) /* GNU Hurd server errors */
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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)(); */
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#endif /* _MACH_ERROR_H_ */
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