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1/* $OpenBSD: SigAction.h,v 1.2 1999/06/27 08:15:19 millert Exp $ */
2
3/****************************************************************************
4 * Copyright (c) 1998 Free Software Foundation, Inc. *
5 * *
6 * Permission is hereby granted, free of charge, to any person obtaining a *
7 * copy of this software and associated documentation files (the *
8 * "Software"), to deal in the Software without restriction, including *
9 * without limitation the rights to use, copy, modify, merge, publish, *
10 * distribute, distribute with modifications, sublicense, and/or sell *
11 * copies of the Software, and to permit persons to whom the Software is *
12 * furnished to do so, subject to the following conditions: *
13 * *
14 * The above copyright notice and this permission notice shall be included *
15 * in all copies or substantial portions of the Software. *
16 * *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 * *
25 * Except as contained in this notice, the name(s) of the above copyright *
26 * holders shall not be used in advertising or otherwise to promote the *
27 * sale, use or other dealings in this Software without prior written *
28 * authorization. *
29 ****************************************************************************/
30
31/****************************************************************************
32 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
33 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
34 ****************************************************************************/
35
36/*
37 * $From: SigAction.h,v 1.5 1999/06/19 23:00:54 tom Exp $
38 *
39 * This file exists to handle non-POSIX systems which don't have <unistd.h>,
40 * and usually no sigaction() nor <termios.h>
41 */
42
43#ifndef _SIGACTION_H
44#define _SIGACTION_H
45
46#if !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC)
47
48#undef SIG_BLOCK
49#define SIG_BLOCK 00
50
51#undef SIG_UNBLOCK
52#define SIG_UNBLOCK 01
53
54#undef SIG_SETMASK
55#define SIG_SETMASK 02
56
57/*
58 * <bsd/signal.h> is in the Linux 1.2.8 + gcc 2.7.0 configuration,
59 * and is useful for testing this header file.
60 */
61#if HAVE_BSD_SIGNAL_H
62# include <bsd/signal.h>
63#endif
64
65struct sigaction
66{
67 struct sigvec sv;
68};
69
70typedef unsigned long sigset_t;
71
72#undef sa_mask
73#define sa_mask sv.sv_mask
74#undef sa_handler
75#define sa_handler sv.sv_handler
76#undef sa_flags
77#define sa_flags sv.sv_flags
78
79int sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact);
80int sigprocmask (int how, sigset_t *mask, sigset_t *omask);
81int sigemptyset (sigset_t *mask);
82int sigsuspend (sigset_t *mask);
83int sigdelset (sigset_t *mask, int sig);
84int sigaddset (sigset_t *mask, int sig);
85
86#endif /* !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC) */
87
88#endif /* !defined(_SIGACTION_H) */