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- /****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
- * *
- * Permission is hereby granted, free of charge, to any person obtaining a *
- * copy of this software and associated documentation files (the *
- * "Software"), to deal in the Software without restriction, including *
- * without limitation the rights to use, copy, modify, merge, publish, *
- * distribute, distribute with modifications, sublicense, and/or sell *
- * copies of the Software, and to permit persons to whom the Software is *
- * furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included *
- * in all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
- * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
- * *
- * Except as contained in this notice, the name(s) of the above copyright *
- * holders shall not be used in advertising or otherwise to promote the *
- * sale, use or other dealings in this Software without prior written *
- * authorization. *
- ****************************************************************************/
-
- /****************************************************************************
- * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
- * and: Eric S. Raymond <esr@snark.thyrsus.com> *
- ****************************************************************************/
-
- #include <curses.priv.h>
-
- #include <SigAction.h>
-
- /* This file provides sigaction() emulation using sigvec() */
- /* Use only if this is non POSIX system */
-
- #if !HAVE_SIGACTION && HAVE_SIGVEC
-
- MODULE_ID("$Id: sigaction.c,v 1.13 2002/05/18 19:56:26 tom Exp $")
-
- NCURSES_EXPORT(int)
- sigaction
- (int sig, sigaction_t * sigact, sigaction_t * osigact)
- {
- return sigvec(sig, sigact, osigact);
- }
-
- NCURSES_EXPORT(int)
- sigemptyset
- (sigset_t * mask)
- {
- *mask = 0;
- return 0;
- }
-
- NCURSES_EXPORT(int)
- sigprocmask
- (int mode, sigset_t * mask, sigset_t * omask)
- {
- sigset_t current = sigsetmask(0);
-
- if (omask)
- *omask = current;
-
- if (mode == SIG_BLOCK)
- current |= *mask;
- else if (mode == SIG_UNBLOCK)
- current &= ~*mask;
- else if (mode == SIG_SETMASK)
- current = *mask;
-
- sigsetmask(current);
- return 0;
- }
-
- NCURSES_EXPORT(int)
- sigsuspend(sigset_t * mask)
- {
- return sigpause(*mask);
- }
-
- NCURSES_EXPORT(int)
- sigdelset
- (sigset_t * mask, int sig)
- {
- *mask &= ~sigmask(sig);
- return 0;
- }
-
- NCURSES_EXPORT(int)
- sigaddset
- (sigset_t * mask, int sig)
- {
- *mask |= sigmask(sig);
- return 0;
- }
-
- NCURSES_EXPORT(int)
- sigismember
- (sigset_t * mask, int sig)
- {
- return (*mask & sigmask(sig)) != 0;
- }
-
- #else
- extern
- NCURSES_EXPORT(void)
- _nc_sigaction(void); /* quiet's gcc warning */
- NCURSES_EXPORT(void)
- _nc_sigaction(void)
- {
- } /* nonempty for strict ANSI compilers */
- #endif
-