xref: /freebsd/usr.bin/talk/msgs.c (revision fbbd9655e5107c68e4e0146ff22b73d7350475bc)
19b50d902SRodney W. Grimes /*
29b50d902SRodney W. Grimes  * Copyright (c) 1983, 1993
39b50d902SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
49b50d902SRodney W. Grimes  *
59b50d902SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
69b50d902SRodney W. Grimes  * modification, are permitted provided that the following conditions
79b50d902SRodney W. Grimes  * are met:
89b50d902SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
99b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
109b50d902SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
119b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
129b50d902SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
13*fbbd9655SWarner Losh  * 3. Neither the name of the University nor the names of its contributors
149b50d902SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
159b50d902SRodney W. Grimes  *    without specific prior written permission.
169b50d902SRodney W. Grimes  *
179b50d902SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
189b50d902SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199b50d902SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
209b50d902SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
219b50d902SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
229b50d902SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
239b50d902SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
249b50d902SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
259b50d902SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
269b50d902SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
279b50d902SRodney W. Grimes  * SUCH DAMAGE.
289b50d902SRodney W. Grimes  */
299b50d902SRodney W. Grimes 
30caa64801SMark Murray #include <sys/cdefs.h>
31caa64801SMark Murray 
32caa64801SMark Murray __FBSDID("$FreeBSD$");
33caa64801SMark Murray 
349b50d902SRodney W. Grimes #ifndef lint
35caa64801SMark Murray static const char sccsid[] = "@(#)msgs.c	8.1 (Berkeley) 6/6/93";
3620868061SPhilippe Charnier #endif
379b50d902SRodney W. Grimes 
389b50d902SRodney W. Grimes /*
399b50d902SRodney W. Grimes  * A package to display what is happening every MSG_INTERVAL seconds
409b50d902SRodney W. Grimes  * if we are slow connecting.
419b50d902SRodney W. Grimes  */
429b50d902SRodney W. Grimes 
439b50d902SRodney W. Grimes #include <signal.h>
44caa64801SMark Murray 
459b50d902SRodney W. Grimes #include "talk.h"
469b50d902SRodney W. Grimes 
479b50d902SRodney W. Grimes #define MSG_INTERVAL 4
489b50d902SRodney W. Grimes 
49caa64801SMark Murray const char	*current_state;
509b50d902SRodney W. Grimes int	current_line = 0;
519b50d902SRodney W. Grimes 
5228592604SJoerg Wunsch /* ARGSUSED */
539b50d902SRodney W. Grimes void
54b6d9e1f3SXin LI disp_msg(int signo __unused)
559b50d902SRodney W. Grimes {
569b50d902SRodney W. Grimes 	message(current_state);
579b50d902SRodney W. Grimes }
589b50d902SRodney W. Grimes 
5928592604SJoerg Wunsch void
60b6d9e1f3SXin LI start_msgs(void)
619b50d902SRodney W. Grimes {
629b50d902SRodney W. Grimes 	struct itimerval itimer;
639b50d902SRodney W. Grimes 
649b50d902SRodney W. Grimes 	message(current_state);
659b50d902SRodney W. Grimes 	signal(SIGALRM, disp_msg);
669b50d902SRodney W. Grimes 	itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
679b50d902SRodney W. Grimes 	itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
689b50d902SRodney W. Grimes 	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
699b50d902SRodney W. Grimes }
709b50d902SRodney W. Grimes 
7128592604SJoerg Wunsch void
72b6d9e1f3SXin LI end_msgs(void)
739b50d902SRodney W. Grimes {
749b50d902SRodney W. Grimes 	struct itimerval itimer;
759b50d902SRodney W. Grimes 
769b50d902SRodney W. Grimes 	timerclear(&itimer.it_value);
779b50d902SRodney W. Grimes 	timerclear(&itimer.it_interval);
789b50d902SRodney W. Grimes 	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
799b50d902SRodney W. Grimes 	signal(SIGALRM, SIG_DFL);
809b50d902SRodney W. Grimes }
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