1 /****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 ****************************************************************************/
34 #include <curses.priv.h>
37 #include <SigAction.h>
39 /* This file provides sigaction() emulation using sigvec() */
40 /* Use only if this is non POSIX system */
42 #if !HAVE_SIGACTION && HAVE_SIGVEC
44 MODULE_ID("$Id: sigaction.c,v 1.9 1999/06/19 23:05:16 tom Exp $")
47 sigaction (int sig, sigaction_t * sigact, sigaction_t * osigact)
49 return sigvec(sig, sigact, osigact);
53 sigemptyset (sigset_t * mask)
60 sigprocmask (int mode, sigset_t * mask, sigset_t * omask)
62 sigset_t current = sigsetmask(0);
64 if (omask) *omask = current;
68 else if (mode==SIG_UNBLOCK)
70 else if (mode==SIG_SETMASK)
78 sigsuspend (sigset_t * mask)
80 return sigpause (*mask);
84 sigdelset (sigset_t * mask, int sig)
86 *mask &= ~sigmask (sig);
91 sigaddset (sigset_t * mask, int sig)
93 *mask |= sigmask (sig);
98 sigismember (sigset_t * mask, int sig)
100 return (*mask & sigmask (sig)) != 0;
104 extern void _nc_sigaction(void); /* quiet's gcc warning */
105 void _nc_sigaction(void) { } /* nonempty for strict ANSI compilers */