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Annotation of src/usr.bin/talk/msgs.c, Revision 1.1.1.1

1.1       deraadt     1: /*     $NetBSD: msgs.c,v 1.3 1994/12/09 02:14:22 jtc Exp $     */
                      2:
                      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. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by the University of
                     18:  *     California, Berkeley and its contributors.
                     19:  * 4. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
                     36: #ifndef lint
                     37: #if 0
                     38: static char sccsid[] = "@(#)msgs.c     8.1 (Berkeley) 6/6/93";
                     39: #endif
                     40: static char rcsid[] = "$NetBSD: msgs.c,v 1.3 1994/12/09 02:14:22 jtc Exp $";
                     41: #endif /* not lint */
                     42:
                     43: /*
                     44:  * A package to display what is happening every MSG_INTERVAL seconds
                     45:  * if we are slow connecting.
                     46:  */
                     47:
                     48: #include <sys/time.h>
                     49: #include <signal.h>
                     50: #include <stdio.h>
                     51: #include "talk.h"
                     52:
                     53: #define MSG_INTERVAL 4
                     54:
                     55: char   *current_state;
                     56: int    current_line = 0;
                     57:
                     58: void
                     59: disp_msg()
                     60: {
                     61:        message(current_state);
                     62: }
                     63:
                     64: start_msgs()
                     65: {
                     66:        struct itimerval itimer;
                     67:
                     68:        message(current_state);
                     69:        signal(SIGALRM, disp_msg);
                     70:        itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
                     71:        itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
                     72:        setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
                     73: }
                     74:
                     75: end_msgs()
                     76: {
                     77:        struct itimerval itimer;
                     78:
                     79:        timerclear(&itimer.it_value);
                     80:        timerclear(&itimer.it_interval);
                     81:        setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0);
                     82:        signal(SIGALRM, SIG_DFL);
                     83: }