68 lines
1.9 KiB
C
Executable File
68 lines
1.9 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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/*
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* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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* PROPRIETARY NOTICE (Combined)
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*
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* This source code is unpublished proprietary information
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* constituting, or derived under license from AT&T's UNIX(r) System V.
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* In addition, portions of such source code were derived from Berkeley
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* 4.3 BSD under license from the Regents of the University of
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* California.
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*
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*
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*
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* Copyright Notice
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*
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* Notice of copyright on this source code product does not indicate
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* publication.
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*
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* (c) 1986,1987,1988,1989 Sun Microsystems, Inc
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* (c) 1983,1984,1985,1986,1987,1988,1989 AT&T.
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* All rights reserved.
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*
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*/
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#ifndef _VM_FAULTCODE_H
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#define _VM_FAULTCODE_H
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#pragma ident "@(#)faultcode.h 1.15 92/07/14 SMI" /* SVr4.0 1.4 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* This file describes the data type returned by vm routines
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* which handle faults.
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*
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* If FC_CODE(fc) == FC_OBJERR, then FC_ERRNO(fc) contains the errno value
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* returned by the underlying object mapped at the fault address.
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*/
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#define FC_HWERR 0x1 /* misc hardware error (e.g. bus timeout) */
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#define FC_ALIGN 0x2 /* hardware alignment error */
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#define FC_OBJERR 0x3 /* underlying object returned errno value */
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#define FC_PROT 0x4 /* access exceeded current protections */
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#define FC_NOMAP 0x5 /* no mapping at the fault address */
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#define FC_NOSUPPORT 0x6 /* operation not supported by driver */
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#define FC_MAKE_ERR(e) (((e) << 8) | FC_OBJERR)
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#define FC_CODE(fc) ((fc) & 0xff)
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#define FC_ERRNO(fc) ((unsigned)(fc) >> 8)
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#ifndef _ASM
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typedef int faultcode_t; /* type returned by vm fault routines */
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#endif /* _ASM */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _VM_FAULTCODE_H */
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