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

#ifndef lint
static char sccsid[] = "@(#)wwsuspend.c 3.7 %G%";
#endif

/*
 * Copyright (c) 1983 Regents of the University of California,
 * All rights reserved.  Redistribution permitted subject to
 * the terms of the Berkeley Software License Agreement.
 */

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

wwsuspend()
{
        int (*oldsig)();

        oldsig = signal(SIGTSTP, SIG_IGN);
        wwend();
        (void) signal(SIGTSTP, SIG_DFL);
        (void) kill(0, SIGTSTP);
        (void) signal(SIGTSTP, SIG_IGN);
        (void) wwsettty(0, &wwnewtty, &wwoldtty);
        (*tt.tt_init)();
        wwredraw();
        (void) signal(SIGTSTP, oldsig);
}