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
disp_msg(int signo __unused)53 disp_msg(int signo __unused)
54 {
55 message(current_state);
56 }
57
58 void
start_msgs(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
end_msgs(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