usr/src/usr.bin/window/wwsuspend.c

/*
 * Copyright (c) 1983, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Edward Wang at The University of California, Berkeley.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)wwsuspend.c 8.1 (Berkeley) %G%";
#endif /* not lint */

#include "ww.h"
#include "tt.h"
#include <sys/signal.h>

wwsuspend()
{
        sig_t oldsig;

        oldsig = signal(SIGTSTP, SIG_IGN);
        wwend(0);
        (void) signal(SIGTSTP, SIG_DFL);
        (void) kill(0, SIGTSTP);
        (void) signal(SIGTSTP, SIG_IGN);
        wwstart();
        (void) signal(SIGTSTP, oldsig);
}