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 #include <sys/cdefs.h> 35 36 __FBSDID("$FreeBSD$"); 37 38 #ifndef lint 39 static const char sccsid[] = "@(#)msgs.c 8.1 (Berkeley) 6/6/93"; 40 #endif 41 42 /* 43 * A package to display what is happening every MSG_INTERVAL seconds 44 * if we are slow connecting. 45 */ 46 47 #include <signal.h> 48 49 #include "talk.h" 50 51 #define MSG_INTERVAL 4 52 53 const char *current_state; 54 int current_line = 0; 55 56 /* ARGSUSED */ 57 void 58 disp_msg(int signo __unused) 59 { 60 message(current_state); 61 } 62 63 void 64 start_msgs(void) 65 { 66 struct itimerval itimer; 67 68 message(current_state); 69 signal(SIGALRM, disp_msg); 70 itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL; 71 itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0; 72 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); 73 } 74 75 void 76 end_msgs(void) 77 { 78 struct itimerval itimer; 79 80 timerclear(&itimer.it_value); 81 timerclear(&itimer.it_interval); 82 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); 83 signal(SIGALRM, SIG_DFL); 84 } 85