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/* $OpenBSD: sigaction.c,v 1.1 1998/07/23 21:20:03 millert Exp $ */
/****************************************************************************
* Copyright (c) 1998 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>
/* This file provides sigaction() emulation using sigvec() */
/* Use only if this is non POSIX system */
#if !HAVE_SIGACTION
#include <signal.h>
#include <SigAction.h>
MODULE_ID("$From: sigaction.c,v 1.7 1998/02/11 12:13:53 tom Exp $")
int
sigaction (int sig, sigaction_t * sigact, sigaction_t * osigact)
{
return sigvec(sig, sigact, osigact);
}
int
sigemptyset (sigset_t * mask)
{
*mask = 0;
return 0;
}
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;
}
int
sigsuspend (sigset_t * mask)
{
return sigpause (*mask);
}
int
sigdelset (sigset_t * mask, int sig)
{
*mask &= ~sigmask (sig);
return 0;
}
int
sigaddset (sigset_t * mask, int sig)
{
*mask |= sigmask (sig);
return 0;
}
#else
extern void _nc_sigaction(void); /* quiet's gcc warning */
void _nc_sigaction(void) { } /* nonempty for strict ANSI compilers */
#endif
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