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