[gssapi-openssh.git] / openssh / openbsd-compat / sigact.c

/*	$OpenBSD: sigaction.c,v 1.3 1999/06/27 08:14:21 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 "includes.h"
#include <signal.h>
#include "sigact.h"

/* This file provides sigaction() emulation using sigvec() */
/* Use only if this is non POSIX system */

#if !HAVE_SIGACTION && HAVE_SIGVEC

int
sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact)
{
	return sigvec(sig, &(sigact->sv), &(osigact->sv));
}

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;
}

int
sigismember (sigset_t * mask, int sig)
{
	return (*mask & sigmask(sig)) != 0;
}

#endif
Commit	Line	Data
3c0ef626	1	/* $OpenBSD: sigaction.c,v 1.3 1999/06/27 08:14:21 millert Exp $ */
	2
	3	/****************************************************************************
	4	* Copyright (c) 1998 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 <zmbenhal@netcom.com> 1992,1995 *
	33	* and: Eric S. Raymond <esr@snark.thyrsus.com> *
	34	****************************************************************************/
	35
41b2f314	36	#include "includes.h"
3c0ef626	37	#include <signal.h>
	38	#include "sigact.h"
	39
	40	/* This file provides sigaction() emulation using sigvec() */
	41	/* Use only if this is non POSIX system */
	42
	43	#if !HAVE_SIGACTION && HAVE_SIGVEC
	44
	45	int
	46	sigaction(int sig, struct sigaction sigact, struct sigaction osigact)
	47	{
	48	return sigvec(sig, &(sigact->sv), &(osigact->sv));
	49	}
	50
	51	int
	52	sigemptyset (sigset_t * mask)
	53	{
	54	*mask = 0;
	55	return 0;
	56	}
	57
	58	int
	59	sigprocmask (int mode, sigset_t * mask, sigset_t * omask)
	60	{
	61	sigset_t current = sigsetmask(0);
	62
	63	if (omask) *omask = current;
	64
	65	if (mode==SIG_BLOCK)
	66	current \|= *mask;
	67	else if (mode==SIG_UNBLOCK)
	68	current &= ~*mask;
	69	else if (mode==SIG_SETMASK)
	70	current = *mask;
	71
	72	sigsetmask(current);
	73	return 0;
	74	}
	75
	76	int
	77	sigsuspend (sigset_t * mask)
	78	{
	79	return sigpause(*mask);
	80	}
	81
	82	int
	83	sigdelset (sigset_t * mask, int sig)
	84	{
	85	*mask &= ~sigmask(sig);
	86	return 0;
	87	}
	88
	89	int
	90	sigaddset (sigset_t * mask, int sig)
	91	{
	92	*mask \|= sigmask(sig);
	93	return 0;
	94	}
	95
	96	int
	97	sigismember (sigset_t * mask, int sig)
	98	{
	99	return (*mask & sigmask(sig)) != 0;
	100	}
101
102	#endif