1/* $FreeBSD: releng/10.3/sys/ia64/include/signal.h 149337 2005-08-20 16:44:41Z stefanf $ */ 2/* From: NetBSD: signal.h,v 1.3 1997/04/06 08:47:43 cgd Exp */ 3 4/*- 5 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Chris G. Demetriou 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31#ifndef _MACHINE_SIGNAL_H_ 32#define _MACHINE_SIGNAL_H_ 33 34#include <sys/cdefs.h> 35#include <sys/_sigset.h> 36 37typedef long sig_atomic_t; 38 39#if __BSD_VISIBLE 40/* portable macros for SIGFPE/ARITHTRAP */ 41#define FPE_INTOVF 1 /* integer overflow */ 42#define FPE_INTDIV 2 /* integer divide by zero */ 43#define FPE_FLTDIV 3 /* floating point divide by zero */ 44#define FPE_FLTOVF 4 /* floating point overflow */ 45#define FPE_FLTUND 5 /* floating point underflow */ 46#define FPE_FLTRES 6 /* floating point inexact result */ 47#define FPE_FLTINV 7 /* invalid floating point operation */ 48#define FPE_FLTSUB 8 /* subscript out of range */ 49 50#define BUS_SEGM_FAULT 30 /* segment protection base */ 51#endif 52 53/* 54 * Information pushed on stack when a signal is delivered. 55 * This is used by the kernel to restore state following 56 * execution of the signal handler. It is also made available 57 * to the handler to allow it to restore state properly if 58 * a non-standard exit is performed. 59 */ 60 61#if __BSD_VISIBLE 62#include <machine/_regset.h> 63 64/* 65 * The sequence of the fields should match those in 66 * mcontext_t. Keep them in sync! 67 */ 68struct sigcontext { 69 struct __sigset sc_mask; /* signal mask to restore */ 70 unsigned long sc_onstack; 71 unsigned long sc_flags; 72 struct _special sc_special; 73 struct _callee_saved sc_preserved; 74 struct _callee_saved_fp sc_preserved_fp; 75 struct _caller_saved sc_scratch; 76 struct _caller_saved_fp sc_scratch_fp; 77 struct _high_fp sc_high_fp; 78}; 79#endif /* __BSD_VISIBLE */ 80 81#endif /* !_MACHINE_SIGNAL_H_*/ 82