/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_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.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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.
*
- * 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
+ * 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_LICENSE_OSREFERENCE_HEADER_END@
+ * @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.
*/
*
*/
-#ifndef _MACH_ERROR_H_
-#define _MACH_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 /* _MACH_ERROR_H_ */
+#endif /* _MACH_ERROR_H_ */
projects / apple / xnu.git / blobdiff