usr.bin/talk/msgs.c

9b50d902SRodney W. Grimes/*
9b50d902SRodney W. Grimes * Copyright (c) 1983, 1993
9b50d902SRodney W. Grimes *	The Regents of the University of California.  All rights reserved.
9b50d902SRodney W. Grimes *
9b50d902SRodney W. Grimes * Redistribution and use in source and binary forms, with or without
9b50d902SRodney W. Grimes * modification, are permitted provided that the following conditions
9b50d902SRodney W. Grimes * are met:
9b50d902SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright
9b50d902SRodney W. Grimes *    notice, this list of conditions and the following disclaimer.
9b50d902SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright
9b50d902SRodney W. Grimes *    notice, this list of conditions and the following disclaimer in the
9b50d902SRodney W. Grimes *    documentation and/or other materials provided with the distribution.
9b50d902SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software
9b50d902SRodney W. Grimes *    must display the following acknowledgement:
9b50d902SRodney W. Grimes *	This product includes software developed by the University of
9b50d902SRodney W. Grimes *	California, Berkeley and its contributors.
9b50d902SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors
9b50d902SRodney W. Grimes *    may be used to endorse or promote products derived from this software
9b50d902SRodney W. Grimes *    without specific prior written permission.
9b50d902SRodney W. Grimes *
9b50d902SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
9b50d902SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
9b50d902SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
9b50d902SRodney W. Grimes * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
9b50d902SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
9b50d902SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
9b50d902SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
9b50d902SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
9b50d902SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
9b50d902SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
9b50d902SRodney W. Grimes * SUCH DAMAGE.
9b50d902SRodney W. Grimes */
9b50d902SRodney W. Grimes
9b50d902SRodney W. Grimes#ifndef lint
9b50d902SRodney W. Grimesstatic char sccsid[] = "@(#)msgs.c	8.1 (Berkeley) 6/6/93";
9b50d902SRodney W. Grimes#endif /* not lint */
9b50d902SRodney W. Grimes
9b50d902SRodney W. Grimes/*
9b50d902SRodney W. Grimes * A package to display what is happening every MSG_INTERVAL seconds
9b50d902SRodney W. Grimes * if we are slow connecting.
9b50d902SRodney W. Grimes */
9b50d902SRodney W. Grimes
9b50d902SRodney W. Grimes#include <sys/time.h>
9b50d902SRodney W. Grimes#include <signal.h>
9b50d902SRodney W. Grimes#include <stdio.h>
9b50d902SRodney W. Grimes#include "talk.h"
9b50d902SRodney W. Grimes
9b50d902SRodney W. Grimes#define MSG_INTERVAL 4
9b50d902SRodney W. Grimes
9b50d902SRodney W. Grimeschar	*current_state;
9b50d902SRodney W. Grimesint	current_line = 0;
9b50d902SRodney W. Grimes
28592604SJoerg Wunsch/* ARGSUSED */
9b50d902SRodney W. Grimesvoid
28592604SJoerg Wunschdisp_msg(signo)
28592604SJoerg Wunsch	int signo;
9b50d902SRodney W. Grimes{
9b50d902SRodney W. Grimes	message(current_state);
9b50d902SRodney W. Grimes}
9b50d902SRodney W. Grimes
28592604SJoerg Wunschvoid
9b50d902SRodney W. Grimesstart_msgs()
9b50d902SRodney W. Grimes{
9b50d902SRodney W. Grimes	struct itimerval itimer;
9b50d902SRodney W. Grimes
9b50d902SRodney W. Grimes	message(current_state);
9b50d902SRodney W. Grimes	signal(SIGALRM, disp_msg);
9b50d902SRodney W. Grimes	itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
9b50d902SRodney W. Grimes	itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
9b50d902SRodney W. Grimes	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
9b50d902SRodney W. Grimes}
9b50d902SRodney W. Grimes
28592604SJoerg Wunschvoid
9b50d902SRodney W. Grimesend_msgs()
9b50d902SRodney W. Grimes{
9b50d902SRodney W. Grimes	struct itimerval itimer;
9b50d902SRodney W. Grimes
9b50d902SRodney W. Grimes	timerclear(&itimer.it_value);
9b50d902SRodney W. Grimes	timerclear(&itimer.it_interval);
9b50d902SRodney W. Grimes	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
9b50d902SRodney W. Grimes	signal(SIGALRM, SIG_DFL);
9b50d902SRodney W. Grimes}