/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
+ * 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,
* 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
/*
- * HISTORY
- *
- * Revision 1.1.1.1 1998/09/22 21:05:29 wsanchez
- * Import of Mac OS X kernel (~semeria)
- *
- * Revision 1.1.1.1 1998/03/07 02:25:45 wsanchez
- * Import of OSF Mach kernel (~mburg)
- *
- * Revision 1.2.10.2 1995/02/23 17:51:15 alanl
- * Merge with DIPC2_SHARED.
- * [1995/01/03 21:49:04 alanl]
- *
- * Revision 1.2.10.1 1994/09/23 02:35:28 ezf
- * change marker to not FREE
- * [1994/09/22 21:39:26 ezf]
- *
- * Revision 1.2.8.1 1994/08/04 02:27:36 mmp
- * NOTE: file was moved back to b11 version for dipc2_shared.
- * Added DIPC error system.
- * [1994/05/11 17:36:37 alanl]
- *
- * Revision 1.2.2.3 1993/08/12 21:59:50 jvs
- * Correctly prototype mach_error_fn_t typedef. 9523
- * [1993/08/12 21:57:56 jvs]
- *
- * Revision 1.2.2.2 1993/06/09 02:39:58 gm
- * Added to OSF/1 R1.3 from NMK15.0.
- * [1993/06/02 21:15:47 jeffc]
- *
- * Revision 1.2 1993/04/19 16:33:02 devrcs
- * make endif tags ansi compliant/include files
- * [1993/02/20 21:44:37 david]
- *
- * Revision 1.1 1992/09/30 02:30:35 robert
- * Initial revision
- *
- * $EndLog$
- */
-/* CMU_HIST */
-/*
- * 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.
- *
- */
-/* CMU_ENDHIST */
-/*
* 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.
*/
*
*/
-#ifndef ERROR_H_
-#define ERROR_H_
+#ifndef _MACH_ERROR_H_
+#define _MACH_ERROR_H_
+
#include <mach/kern_return.h>
/*
* error number layout as follows:
*
- * hi lo
+ * 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_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_system(x) ((signed)((((unsigned)(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 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)
+#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_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
+#define err_max_system 0x3f
/* unix errors get lumped into one subsystem */
-#define unix_err(errno) (err_kern|err_sub(3)|errno)
+#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 );
+typedef kern_return_t mach_error_t;
+typedef mach_error_t (* mach_error_fn_t)( void );
-#endif /* ERROR_H_ */
+#endif /* _MACH_ERROR_H_ */