freebsd-dev/usr.bin/talk/msgs.c
Joel Dahl da52b4caaf Remove the advertising clause from UCB copyrighted files in usr.bin. This
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with:	imp, rwatson
2010-12-11 08:32:16 +00:00

81 lines
2.5 KiB
C

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifndef lint
static const char sccsid[] = "@(#)msgs.c 8.1 (Berkeley) 6/6/93";
#endif
/*
* A package to display what is happening every MSG_INTERVAL seconds
* if we are slow connecting.
*/
#include <signal.h>
#include "talk.h"
#define MSG_INTERVAL 4
const char *current_state;
int current_line = 0;
/* ARGSUSED */
void
disp_msg(int signo __unused)
{
message(current_state);
}
void
start_msgs(void)
{
struct itimerval itimer;
message(current_state);
signal(SIGALRM, disp_msg);
itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
}
void
end_msgs(void)
{
struct itimerval itimer;
timerclear(&itimer.it_value);
timerclear(&itimer.it_interval);
setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
signal(SIGALRM, SIG_DFL);
}