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      1 /*	$NetBSD: msgs.c,v 1.7 2011/09/06 18:32:03 joerg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1983, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)msgs.c	8.1 (Berkeley) 6/6/93";
     36 #endif
     37 __RCSID("$NetBSD: msgs.c,v 1.7 2011/09/06 18:32:03 joerg Exp $");
     38 #endif /* not lint */
     39 
     40 /*
     41  * A package to display what is happening every MSG_INTERVAL seconds
     42  * if we are slow connecting.
     43  */
     44 
     45 #include <sys/time.h>
     46 #include <signal.h>
     47 #include <stdio.h>
     48 #include "talk.h"
     49 
     50 #define MSG_INTERVAL 4
     51 
     52 const char *current_state;
     53 int	current_line = 0;
     54 
     55 void
     56 disp_msg(int dummy)
     57 {
     58 	message(current_state);
     59 }
     60 
     61 void
     62 start_msgs(void)
     63 {
     64 	struct itimerval itimer;
     65 
     66 	message(current_state);
     67 	signal(SIGALRM, disp_msg);
     68 	itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
     69 	itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
     70 	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
     71 }
     72 
     73 void
     74 end_msgs(void)
     75 {
     76 	struct itimerval itimer;
     77 
     78 	timerclear(&itimer.it_value);
     79 	timerclear(&itimer.it_interval);
     80 	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
     81 	signal(SIGALRM, SIG_DFL);
     82 }
     83