1/* $OpenBSD: SigAction.h,v 1.5 2023/10/17 09:52:08 nicm Exp $ */
2
3/****************************************************************************
4 * Copyright 2020 Thomas E. Dickey                                          *
5 * Copyright 1998-2003,2005 Free Software Foundation, Inc.                  *
6 *                                                                          *
7 * Permission is hereby granted, free of charge, to any person obtaining a  *
8 * copy of this software and associated documentation files (the            *
9 * "Software"), to deal in the Software without restriction, including      *
10 * without limitation the rights to use, copy, modify, merge, publish,      *
11 * distribute, distribute with modifications, sublicense, and/or sell       *
12 * copies of the Software, and to permit persons to whom the Software is    *
13 * furnished to do so, subject to the following conditions:                 *
14 *                                                                          *
15 * The above copyright notice and this permission notice shall be included  *
16 * in all copies or substantial portions of the Software.                   *
17 *                                                                          *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
25 *                                                                          *
26 * Except as contained in this notice, the name(s) of the above copyright   *
27 * holders shall not be used in advertising or otherwise to promote the     *
28 * sale, use or other dealings in this Software without prior written       *
29 * authorization.                                                           *
30 ****************************************************************************/
31
32/****************************************************************************
33 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
34 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
35 ****************************************************************************/
36
37/*
38 * $Id: SigAction.h,v 1.5 2023/10/17 09:52:08 nicm Exp $
39 *
40 * This file exists to handle non-POSIX systems which don't have <unistd.h>,
41 * and usually no sigaction() nor <termios.h>
42 */
43
44#ifndef _SIGACTION_H
45#define _SIGACTION_H
46
47#ifndef HAVE_SIGACTION
48#define HAVE_SIGACTION 0
49#endif
50
51#ifndef HAVE_SIGVEC
52#define HAVE_SIGVEC 0
53#endif
54
55#if HAVE_SIGACTION
56
57#if !HAVE_TYPE_SIGACTION
58typedef struct sigaction sigaction_t;
59#endif
60
61#else	/* !HAVE_SIGACTION */
62
63#if HAVE_SIGVEC
64
65#undef  SIG_BLOCK
66#define SIG_BLOCK       00
67
68#undef  SIG_UNBLOCK
69#define SIG_UNBLOCK     01
70
71#undef  SIG_SETMASK
72#define SIG_SETMASK     02
73
74 	/*
75	 * <bsd/signal.h> is in the Linux 1.2.8 + gcc 2.7.0 configuration,
76	 * and is useful for testing this header file.
77	 */
78#if HAVE_BSD_SIGNAL_H
79#include <bsd/signal.h>
80#endif
81
82typedef struct sigvec sigaction_t;
83
84#define sigset_t _nc_sigset_t
85typedef unsigned long sigset_t;
86
87#undef  sa_mask
88#define sa_mask sv_mask
89#undef  sa_handler
90#define sa_handler sv_handler
91#undef  sa_flags
92#define sa_flags sv_flags
93
94#undef  sigaction
95#define sigaction   _nc_sigaction
96#undef  sigprocmask
97#define sigprocmask _nc_sigprocmask
98#undef  sigemptyset
99#define sigemptyset _nc_sigemptyset
100#undef  sigsuspend
101#define sigsuspend  _nc_sigsuspend
102#undef  sigdelset
103#define sigdelset   _nc_sigdelset
104#undef  sigaddset
105#define sigaddset   _nc_sigaddset
106
107/* tty/lib_tstp.c is the only user */
108#include <base/sigaction.c>
109
110#endif /* HAVE_SIGVEC */
111#endif /* HAVE_SIGACTION */
112#endif /* !defined(_SIGACTION_H) */
113