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
34 /*
35 * A package to display what is happening every MSG_INTERVAL seconds
36 * if we are slow connecting.
37 */
38
39 #include <signal.h>
40
41 #include "talk.h"
42
43 #define MSG_INTERVAL 4
44
45 const char *current_state;
46 int current_line = 0;
47
48 /* ARGSUSED */
49 void
disp_msg(int signo __unused)50 disp_msg(int signo __unused)
51 {
52 message(current_state);
53 }
54
55 void
start_msgs(void)56 start_msgs(void)
57 {
58 struct itimerval itimer;
59
60 message(current_state);
61 signal(SIGALRM, disp_msg);
62 itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
63 itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
64 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
65 }
66
67 void
end_msgs(void)68 end_msgs(void)
69 {
70 struct itimerval itimer;
71
72 timerclear(&itimer.it_value);
73 timerclear(&itimer.it_interval);
74 setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
75 signal(SIGALRM, SIG_DFL);
76 }
77