signal.h revision 1.11 
1/*	$OpenBSD: signal.h,v 1.11 2013/04/01 17:18:20 deraadt Exp $	*/
2
3/*
4 * Copyright (c) 1994, The University of Utah and
5 * the Computer Systems Laboratory at the University of Utah (CSL).
6 * All rights reserved.
7 *
8 * Permission to use, copy, modify and distribute this software is hereby
9 * granted provided that (1) source code retains these copyright, permission,
10 * and disclaimer notices, and (2) redistributions including binaries
11 * reproduce the notices in supporting documentation, and (3) all advertising
12 * materials mentioning features or use of this software display the following
13 * acknowledgement: ``This product includes software developed by the
14 * Computer Systems Laboratory at the University of Utah.''
15 *
16 * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
17 * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
18 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 *
20 * CSL requests users of this software to return to csl-dist@cs.utah.edu any
21 * improvements that they make and grant CSL redistribution rights.
22 *
23 * 	Utah $Hdr: signal.h 1.3 94/12/16$
24 */
25
26#ifndef	_MACHINE_SIGNAL_H_
27#define	_MACHINE_SIGNAL_H_
28
29#include <sys/cdefs.h>
30
31/*
32 * Machine-dependent signal definitions
33 */
34
35typedef int sig_atomic_t;
36
37#ifdef _KERNEL
38#include <machine/trap.h>
39#endif
40
41#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
42/*
43 * Information pushed on stack when a signal is delivered.
44 * This is used by the kernel to restore state following
45 * execution of the signal handler.  It is also made available
46 * to the handler to allow it to restore state properly if
47 * a non-standard exit is performed.
48 */
49struct	sigcontext {
50	unsigned long	__sc_unused;
51	unsigned long	sc_mask;	/* signal mask to restore */
52	unsigned long	sc_ps;		/* psl to restore */
53	unsigned long	sc_fp;		/* fp to restore */
54	unsigned long	sc_pcoqh;	/* pc offset queue (head) to restore */
55	unsigned long	sc_pcoqt;	/* pc offset queue (tail) to restore */
56	unsigned long	sc_resv[2];
57	unsigned long	sc_regs[32];
58	unsigned long	sc_fpregs[64];
59};
60#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
61#endif  /* !_MACHINE_SIGNAL_H_ */
62