usr/src/usr.bin/talk/msgs.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char sccsid[] = "@(#)msgs.c	5.1 (Berkeley) %G%";
#endif not lint

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

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

#define MSG_INTERVAL 4
#define LONG_TIME 100000

char	*current_state;
int	current_line = 0;

static	struct itimerval itimer;
static	struct timeval wait = { MSG_INTERVAL , 0};
static	struct timeval undo = { LONG_TIME, 0};

disp_msg()
{

	message(current_state);
}

start_msgs()
{

	message(current_state);
	signal(SIGALRM, disp_msg);
	itimer.it_value = itimer.it_interval = wait;
	setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
}

end_msgs()
{

	signal(SIGALRM, SIG_IGN);
	timerclear(&itimer.it_value);
	timerclear(&itimer.it_interval);
	setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
}
Commit	Line	Data
	1	/*
	2	* Copyright (c) 1983 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*/
	6
	7	#ifndef lint
	8	static char sccsid[] = "@(#)msgs.c 5.1 (Berkeley) %G%";
	9	#endif not lint
	10
	11	/*
	12	* A package to display what is happening every MSG_INTERVAL seconds
	13	* if we are slow connecting.
	14	*/
	15
	16	#include <signal.h>
	17	#include <stdio.h>
	18	#include <sys/time.h>
	19	#include "talk.h"
	20
	21	#define MSG_INTERVAL 4
	22	#define LONG_TIME 100000
	23
	24	char *current_state;
	25	int current_line = 0;
	26
	27	static struct itimerval itimer;
	28	static struct timeval wait = { MSG_INTERVAL , 0};
	29	static struct timeval undo = { LONG_TIME, 0};
	30
	31	disp_msg()
	32	{
	33
	34	message(current_state);
	35	}
	36
	37	start_msgs()
	38	{
	39
	40	message(current_state);
	41	signal(SIGALRM, disp_msg);
	42	itimer.it_value = itimer.it_interval = wait;
	43	setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
	44	}
	45
	46	end_msgs()
	47	{
	48
	49	signal(SIGALRM, SIG_IGN);
	50	timerclear(&itimer.it_value);
	51	timerclear(&itimer.it_interval);
	52	setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
	53	}