[unix-history] / usr / src / games / trek / shell.c

#ifndef lint
static char sccsid[] = "@(#)shell.c	4.2	(Berkeley)	%G%";
#endif not lint

/*
**  CALL THE SHELL
*/

shell()
{
	int		i;
	register int	pid;
	register int	sav2, sav3;

	if (!(pid = fork()))
	{
		setuid(getuid());
		nice(0);
		execl("/bin/csh", "-", 0);
		syserr("cannot execute /bin/csh");
	}
	sav2 = signal(2, 1);
	sav3 = signal(3, 1);
	while (wait(&i) != pid) ;
	signal(2, sav2);
	signal(3, sav3);
}
Commit	Line	Data
9d9faa64	1	#ifndef lint
773f1498	2	static char sccsid[] = "@(#)shell.c 4.2 (Berkeley) %G%";
9d9faa64 KM	3	#endif not lint
	4
	5	/*
	6	** CALL THE SHELL
	7	*/
	8
	9	shell()
	10	{
	11	int i;
	12	register int pid;
	13	register int sav2, sav3;
	14
	15	if (!(pid = fork()))
	16	{
	17	setuid(getuid());
	18	nice(0);
773f1498 KL	19	execl("/bin/csh", "-", 0);
773f1498 KL	20	syserr("cannot execute /bin/csh");
9d9faa64 KM	21	}
	22	sav2 = signal(2, 1);
	23	sav3 = signal(3, 1);
	24	while (wait(&i) != pid) ;
	25	signal(2, sav2);
	26	signal(3, sav3);
	27	}