Home | History | Annotate | Line # | Download | only in talk
msgs.c revision 1.5 
      1 /*	$NetBSD: msgs.c,v 1.5 2003/08/07 11:16:05 agc 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 1.5 2003/08/07 11:16:05 agc 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 char	*current_state;
     53 int	current_line = 0;
     54 
     55 void
     56 disp_msg(dummy)
     57 	int dummy;
     58 {
     59 	message(current_state);
     60 }
     61 
     62 void
     63 start_msgs()
     64 {
     65 	struct itimerval itimer;
     66 
     67 	message(current_state);
     68 	signal(SIGALRM, disp_msg);
     69 	itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
     70 	itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
     71 	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
     72 }
     73 
     74 void
     75 end_msgs()
     76 {
     77 	struct itimerval itimer;
     78 
     79 	timerclear(&itimer.it_value);
     80 	timerclear(&itimer.it_interval);
     81 	setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
     82 	signal(SIGALRM, SIG_DFL);
     83 }
     84