1 /* $NetBSD: msgs.c,v 1.6 2009/04/13 23:43:36 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. 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 1.6 2009/04/13 23:43:36 lukem 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(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