1 /* $NetBSD: msgs.c,v 1.4 1997/10/20 00:23:27 lukem 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)msgs.c 8.1 (Berkeley) 6/6/93"; 40 #endif 41 __RCSID("$NetBSD: msgs.c,v 1.4 1997/10/20 00:23:27 lukem Exp $"); 42 #endif /* not lint */ 43 44 /* 45 * A package to display what is happening every MSG_INTERVAL seconds 46 * if we are slow connecting. 47 */ 48 49 #include <sys/time.h> 50 #include <signal.h> 51 #include <stdio.h> 52 #include "talk.h" 53 54 #define MSG_INTERVAL 4 55 56 char *current_state; 57 int current_line = 0; 58 59 void 60 disp_msg(dummy) 61 int dummy; 62 { 63 message(current_state); 64 } 65 66 void 67 start_msgs() 68 { 69 struct itimerval itimer; 70 71 message(current_state); 72 signal(SIGALRM, disp_msg); 73 itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL; 74 itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0; 75 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); 76 } 77 78 void 79 end_msgs() 80 { 81 struct itimerval itimer; 82 83 timerclear(&itimer.it_value); 84 timerclear(&itimer.it_interval); 85 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); 86 signal(SIGALRM, SIG_DFL); 87 } 88