optimization for normal masks requires keeping ptr to associated leaf,

[unix-history] / usr / src / usr.bin / talk / msgs.c

/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 */

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

/* 
 * A package to display what is happening every MSG_INTERVAL seconds
 * if we are slow connecting.
 */

#include <sys/time.h>
#include <signal.h>
#include <stdio.h>
#include "talk.h"

#define MSG_INTERVAL 4

char	*current_state;
int	current_line = 0;

void
disp_msg()
{
	message(current_state);
}

start_msgs()
{
	struct itimerval itimer;

	message(current_state);
	signal(SIGALRM, disp_msg);
	itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
	itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
}

end_msgs()
{
	struct itimerval itimer;

	timerclear(&itimer.it_value);
	timerclear(&itimer.it_interval);
	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
	signal(SIGALRM, SIG_DFL);
}