1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 33 #ifndef lint 34 static const char sccsid[] = "@(#)msgs.c 8.1 (Berkeley) 6/6/93"; 35 #endif 36 37 /* 38 * A package to display what is happening every MSG_INTERVAL seconds 39 * if we are slow connecting. 40 */ 41 42 #include <signal.h> 43 44 #include "talk.h" 45 46 #define MSG_INTERVAL 4 47 48 const char *current_state; 49 int current_line = 0; 50 51 /* ARGSUSED */ 52 void 53 disp_msg(int signo __unused) 54 { 55 message(current_state); 56 } 57 58 void 59 start_msgs(void) 60 { 61 struct itimerval itimer; 62 63 message(current_state); 64 signal(SIGALRM, disp_msg); 65 itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL; 66 itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0; 67 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); 68 } 69 70 void 71 end_msgs(void) 72 { 73 struct itimerval itimer; 74 75 timerclear(&itimer.it_value); 76 timerclear(&itimer.it_interval); 77 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); 78 signal(SIGALRM, SIG_DFL); 79 } 80