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#ifndef __APPLE__ 37__FBSDID("$FreeBSD: src/usr.bin/talk/msgs.c,v 1.6 2001/12/11 23:51:14 markm Exp $"); 38 39#ifndef lint 40static const char sccsid[] = "@(#)msgs.c 8.1 (Berkeley) 6/6/93"; 41#endif 42#endif /* __APPLE__ */ 43 44/* 45 * A package to display what is happening every MSG_INTERVAL seconds 46 * if we are slow connecting. 47 */ 48 49#include <signal.h> 50 51#include "talk.h" 52 53#define MSG_INTERVAL 4 54 55const char *current_state; 56int current_line = 0; 57 58/* ARGSUSED */ 59void 60disp_msg(signo) 61 int signo __unused; 62{ 63 message(current_state); 64} 65 66void 67start_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 78void 79end_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