diff options
Diffstat (limited to 'mach/mach/error.h')
| -rw-r--r-- | mach/mach/error.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/mach/mach/error.h b/mach/mach/error.h new file mode 100644 index 0000000000..e75ccf3f66 --- /dev/null +++ b/mach/mach/error.h @@ -0,0 +1,140 @@ +/* err_hurd added by roland@gnu.ai.mit.edu for GNU Hurd. + * + * 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 + * $Log$ + * Revision 1.1 1993/12/17 21:40:28 roland + * entered into RCS + * + * 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_hurd err_system(0x10) /* GNU Hurd server 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_ */ |