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sigact.h
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 <[email protected]> 1992,1995 *
33  * and: Eric S. Raymond <[email protected]> *
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) */