/* $Copyright:	$
 * Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989, 1990 
 * Sequent Computer Systems, Inc.   All rights reserved.
 *  
 * This software is furnished under a license and may be used
 * only in accordance with the terms of that license and with the
 * inclusion of the above copyright notice.   This software may not
 * be provided or otherwise made available to, or used by, any
 * other person.  No title to or ownership of the software is
 * hereby transferred.
*/

/*	Copyright (c) 1984 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ident	"$Header: sesystem.c 1.4 89/10/23 $@(#)libgen:sesystem.c	1.2"
/*	system(3S) with standard out redirected to standard error
*/

#include	<signal.h>
#include	<libgen.h>


int
sesystem(s)
char	*s;
{
	extern int fork(), execl(), wait();
	register int	pid, w;
	int	status;
	register void (*istat)(), (*qstat)();

	if((pid = fork()) == 0) {
		close(1);	/* redirect standard out to standard err */
		dup(2);
		(void) execl("/bin/sh", "sh", "-c", s, 0);
		_exit(127);
	}
	istat = signal(SIGINT, SIG_IGN);
	qstat = signal(SIGQUIT, SIG_IGN);
	while((w = wait(&status)) != pid && w != -1)
		;
	(void) signal(SIGINT, istat);
	(void) signal(SIGQUIT, qstat);
	return((w == -1)? w: status);
}
