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/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
/*
* 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.
*/
/*
*/
/*
* 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_dipc err_system(0x7) /* distributed ipc */
#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)( void );
#endif /* _MACH_ERROR_H_ */