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31c4d32d WJ |
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, 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 | #ifndef lint | |
35 | static char sccsid[] = "@(#)msgs.c 5.6 (Berkeley) 3/1/91"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | /* | |
39 | * A package to display what is happening every MSG_INTERVAL seconds | |
40 | * if we are slow connecting. | |
41 | */ | |
42 | ||
43 | #include <sys/time.h> | |
44 | #include <signal.h> | |
45 | #include <stdio.h> | |
46 | #include "talk.h" | |
47 | ||
48 | #define MSG_INTERVAL 4 | |
49 | ||
50 | char *current_state; | |
51 | int current_line = 0; | |
52 | ||
53 | void | |
54 | disp_msg() | |
55 | { | |
56 | message(current_state); | |
57 | } | |
58 | ||
59 | start_msgs() | |
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 | end_msgs() | |
71 | { | |
72 | struct itimerval itimer; | |
73 | ||
74 | timerclear(&itimer.it_value); | |
75 | timerclear(&itimer.it_interval); | |
76 | setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); | |
77 | signal(SIGALRM, SIG_DFL); | |
78 | } |