| 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) %G%"; |
| 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 | } |