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- /*
- * Mach Operating System
- * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
- /*
- * HISTORY
- * $Log: error.h,v $
- * Revision 2.6 93/01/14 17:41:31 danner
- * Standardized include symbol name.
- * [92/06/10 pds]
- *
- * Revision 2.5 92/03/31 15:18:11 rpd
- * Added err_bootstrap for bootstrap errors.
- * [92/03/09 rpd]
- *
- * Revision 2.4 91/05/14 16:51:24 mrt
- * Correcting copyright
- *
- * Revision 2.3 91/02/05 17:31:48 mrt
- * Changed to new Mach copyright
- * [91/02/01 17:16:50 mrt]
- *
- * Revision 2.2 90/06/02 14:57:47 rpd
- * Added err_mach_ipc for new IPC.
- * [90/03/26 22:28:42 rpd]
- *
- * Revision 2.1 89/08/03 16:02:07 rwd
- * Created.
- *
- * Revision 2.4 89/02/25 18:13:18 gm0w
- * Changes for cleanup.
- *
- * Revision 2.3 89/02/07 00:51:57 mwyoung
- * Relocated from sys/error.h
- *
- * Revision 2.2 88/10/18 00:37:31 mwyoung
- * Added {system,sub and code}_emask
- * [88/10/17 17:06:58 mrt]
- *
- * Added {system,sub and code}_emask
- *
- * 12-May-88 Mary Thompson (mrt) at Carnegie Mellon
- * Changed mach_error_t from unsigned int to kern_return_t
- * which is a 32 bit integer regardless of machine type.
- * insigned int was incompatible with old usages of mach_error.
- *
- * 10-May-88 Douglas Orr (dorr) at Carnegie-Mellon University
- * Missing endif replaced
- *
- * 5-May-88 Mary Thompson (mrt) at Carnegie Mellon
- * Changed typedef of mach_error_t from long to unsigned int
- * to keep our Camelot users happy. Also moved the nonkernel
- * function declarations from here to mach_error.h.
- *
- * 10-Feb-88 Douglas Orr (dorr) at Carnegie-Mellon University
- * Created.
- *
- */
- /*
- * File: mach/error.h
- * Purpose:
- * error module definitions
- *
- */
-
- #ifndef _MACH_ERROR_H_
- #define _MACH_ERROR_H_
- #include <mach/kern_return.h>
-
- /*
- * error number layout as follows:
- *
- * hi lo
- * | system(6) | subsystem(12) | code(14) |
- */
-
-
- #define err_none (mach_error_t)0
- #define ERR_SUCCESS (mach_error_t)0
- #define ERR_ROUTINE_NIL (mach_error_fn_t)0
-
-
- #define err_system(x) (((x)&0x3f)<<26)
- #define err_sub(x) (((x)&0xfff)<<14)
-
- #define err_get_system(err) (((err)>>26)&0x3f)
- #define err_get_sub(err) (((err)>>14)&0xfff)
- #define err_get_code(err) ((err)&0x3fff)
-
- #define system_emask (err_system(0x3f))
- #define sub_emask (err_sub(0xfff))
- #define code_emask (0x3fff)
-
-
- /* major error systems */
- #define err_kern err_system(0x0) /* kernel */
- #define err_us err_system(0x1) /* user space library */
- #define err_server err_system(0x2) /* user space servers */
- #define err_ipc err_system(0x3) /* old ipc errors */
- #define err_mach_ipc err_system(0x4) /* mach-ipc errors */
- #define err_bootstrap err_system(0x5) /* bootstrap errors */
- #define err_local err_system(0x3e) /* user defined errors */
- #define err_ipc_compat err_system(0x3f) /* (compatibility) mach-ipc errors */
-
- #define err_max_system 0x3f
-
-
- /* unix errors get lumped into one subsystem */
- #define unix_err(errno) (err_kern|err_sub(3)|errno)
-
- typedef kern_return_t mach_error_t;
- typedef mach_error_t (* mach_error_fn_t)();
-
- #endif /* _MACH_ERROR_H_ */
-