1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 static char sccsid[] = "@(#)msgs.c 5.4 (Berkeley) 06/29/88"; 20 #endif /* not lint */ 21 22 /* 23 * A package to display what is happening every MSG_INTERVAL seconds 24 * if we are slow connecting. 25 */ 26 27 #include <signal.h> 28 #include <stdio.h> 29 #include <sys/time.h> 30 #include "talk.h" 31 32 #define MSG_INTERVAL 4 33 34 char *current_state; 35 int current_line = 0; 36 37 disp_msg() 38 { 39 40 message(current_state); 41 } 42 43 start_msgs() 44 { 45 struct itimerval itimer; 46 47 message(current_state); 48 signal(SIGALRM, disp_msg); 49 itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL; 50 itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0; 51 setitimer(ITIMER_REAL, &itimer, (struct timerval *)0); 52 } 53 54 end_msgs() 55 { 56 struct itimerval itimer; 57 58 timerclear(&itimer.it_value); 59 timerclear(&itimer.it_interval); 60 setitimer(ITIMER_REAL, &itimer, (struct timerval *)0); 61 signal(SIGALRM, SIG_DFL); 62 } 63