xref: /freebsd/crypto/openssh/openbsd-compat/sigact.h (revision 641a6cfb86023499caafe26a4d821a0b885cf00b)
1 /*	$OpenBSD: SigAction.h,v 1.3 2001/01/22 18:01:32 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998,2000 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 1.6 2000/12/10 02:36:10 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 /* OPENBSD ORIGINAL: lib/libcurses/SigAction.h */
44 
45 #ifndef _SIGACTION_H
46 #define _SIGACTION_H
47 
48 #if !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC)
49 
50 #undef  SIG_BLOCK
51 #define SIG_BLOCK       00
52 
53 #undef  SIG_UNBLOCK
54 #define SIG_UNBLOCK     01
55 
56 #undef  SIG_SETMASK
57 #define SIG_SETMASK     02
58 
59 /*
60  * <bsd/signal.h> is in the Linux 1.2.8 + gcc 2.7.0 configuration,
61  * and is useful for testing this header file.
62  */
63 #if HAVE_BSD_SIGNAL_H
64 # include <bsd/signal.h>
65 #endif
66 
67 struct sigaction
68 {
69 	struct sigvec sv;
70 };
71 
72 typedef unsigned long sigset_t;
73 
74 #undef  sa_mask
75 #define sa_mask sv.sv_mask
76 #undef  sa_handler
77 #define sa_handler sv.sv_handler
78 #undef  sa_flags
79 #define sa_flags sv.sv_flags
80 
81 int sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact);
82 int sigprocmask (int how, sigset_t *mask, sigset_t *omask);
83 int sigemptyset (sigset_t *mask);
84 int sigsuspend (sigset_t *mask);
85 int sigdelset (sigset_t *mask, int sig);
86 int sigaddset (sigset_t *mask, int sig);
87 
88 #endif /* !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC) */
89 
90 #endif /* !defined(_SIGACTION_H) */
91