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/* $FreeBSD$ */
/* From: NetBSD: signal.h,v 1.3 1997/04/06 08:47:43 cgd Exp */
/*-
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* 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 the
* rights to redistribute these changes.
*/
#ifndef _MACHINE_SIGNAL_H_
#define _MACHINE_SIGNAL_H_
#include <sys/cdefs.h>
#include <sys/_sigset.h>
typedef long sig_atomic_t;
#if __BSD_VISIBLE
/* portable macros for SIGFPE/ARITHTRAP */
#define FPE_INTOVF 1 /* integer overflow */
#define FPE_INTDIV 2 /* integer divide by zero */
#define FPE_FLTDIV 3 /* floating point divide by zero */
#define FPE_FLTOVF 4 /* floating point overflow */
#define FPE_FLTUND 5 /* floating point underflow */
#define FPE_FLTRES 6 /* floating point inexact result */
#define FPE_FLTINV 7 /* invalid floating point operation */
#define FPE_FLTSUB 8 /* subscript out of range */
#define BUS_SEGM_FAULT 30 /* segment protection base */
#endif
/*
* Information pushed on stack when a signal is delivered.
* This is used by the kernel to restore state following
* execution of the signal handler. It is also made available
* to the handler to allow it to restore state properly if
* a non-standard exit is performed.
*/
#if __BSD_VISIBLE
#include <machine/_regset.h>
/*
* The sequence of the fields should match those in
* mcontext_t. Keep them in sync!
*/
struct sigcontext {
struct __sigset sc_mask; /* signal mask to restore */
unsigned long sc_onstack;
unsigned long sc_flags;
struct _special sc_special;
struct _callee_saved sc_preserved;
struct _callee_saved_fp sc_preserved_fp;
struct _caller_saved sc_scratch;
struct _caller_saved_fp sc_scratch_fp;
struct _high_fp sc_high_fp;
};
#endif /* __BSD_VISIBLE */
#endif /* !_MACHINE_SIGNAL_H_*/
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