1 /****************************************************************************
2 * Copyright 2020 Thomas E. Dickey *
3 * Copyright 1998-2002,2003 Free Software Foundation, Inc. *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
32 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
33 * and: Thomas E. Dickey 1996-2003 *
34 ****************************************************************************/
36 /* This file provides sigaction() emulation using sigvec() */
37 /* Use only if this is non POSIX system */
39 MODULE_ID("$Id: sigaction.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
42 _nc_sigaction(int sig, sigaction_t * sigact, sigaction_t * osigact)
44 return sigvec(sig, sigact, osigact);
48 _nc_sigemptyset(sigset_t * mask)
55 _nc_sigprocmask(int mode, sigset_t * mask, sigset_t * omask)
57 sigset_t current = sigsetmask(0);
62 if (mode == SIG_BLOCK)
64 else if (mode == SIG_UNBLOCK)
66 else if (mode == SIG_SETMASK)
74 _nc_sigaddset(sigset_t * mask, int sig)
76 *mask |= sigmask(sig);
80 /* not used in lib_tstp.c */
83 _nc_sigsuspend(sigset_t * mask)
85 return sigpause(*mask);
89 _nc_sigdelset(sigset_t * mask, int sig)
91 *mask &= ~sigmask(sig);
96 _nc_sigismember(sigset_t * mask, int sig)
98 return (*mask & sigmask(sig)) != 0;