87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/* $FreeBSD$ */
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/* From: NetBSD: signal.h,v 1.3 1997/04/06 08:47:43 cgd Exp */
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/*-
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef _MACHINE_SIGNAL_H_
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#define _MACHINE_SIGNAL_H_
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#include <sys/cdefs.h>
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#include <sys/_sigset.h>
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typedef long sig_atomic_t;
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#if __BSD_VISIBLE
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/* portable macros for SIGFPE/ARITHTRAP */
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#define FPE_INTOVF 1 /* integer overflow */
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#define FPE_INTDIV 2 /* integer divide by zero */
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#define FPE_FLTDIV 3 /* floating point divide by zero */
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#define FPE_FLTOVF 4 /* floating point overflow */
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#define FPE_FLTUND 5 /* floating point underflow */
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#define FPE_FLTRES 6 /* floating point inexact result */
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#define FPE_FLTINV 7 /* invalid floating point operation */
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#define FPE_FLTSUB 8 /* subscript out of range */
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#define BUS_SEGM_FAULT 30 /* segment protection base */
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#endif
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#if __XSI_VISIBLE
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/* Minimum signal stack size. */
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#define MINSIGSTKSZ (3072 * 4)
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#endif
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/*
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* Information pushed on stack when a signal is delivered.
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* This is used by the kernel to restore state following
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* execution of the signal handler. It is also made available
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* to the handler to allow it to restore state properly if
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* a non-standard exit is performed.
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*/
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#if __BSD_VISIBLE
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#include <machine/_regset.h>
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/*
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* The sequence of the fields should match those in
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* mcontext_t. Keep them in sync!
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*/
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struct sigcontext {
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struct __sigset sc_mask; /* signal mask to restore */
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unsigned long sc_onstack;
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unsigned long sc_flags;
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struct _special sc_special;
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struct _callee_saved sc_preserved;
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struct _callee_saved_fp sc_preserved_fp;
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struct _caller_saved sc_scratch;
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struct _caller_saved_fp sc_scratch_fp;
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struct _high_fp sc_high_fp;
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};
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#endif /* __BSD_VISIBLE */
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#endif /* !_MACHINE_SIGNAL_H_*/
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