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Annotation of 43BSDReno/usr.bin/talk/msgs.c, revision 1.1.1.1

1.1       root        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 are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)msgs.c     5.5 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: /* 
                     25:  * A package to display what is happening every MSG_INTERVAL seconds
                     26:  * if we are slow connecting.
                     27:  */
                     28: 
                     29: #include <signal.h>
                     30: #include <stdio.h>
                     31: #include <sys/time.h>
                     32: #include "talk.h"
                     33: 
                     34: #define MSG_INTERVAL 4
                     35: 
                     36: char   *current_state;
                     37: int    current_line = 0;
                     38: 
                     39: disp_msg()
                     40: {
                     41: 
                     42:        message(current_state);
                     43: }
                     44: 
                     45: start_msgs()
                     46: {
                     47:        struct itimerval itimer;
                     48: 
                     49:        message(current_state);
                     50:        signal(SIGALRM, disp_msg);
                     51:        itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
                     52:        itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
                     53:        setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
                     54: }
                     55: 
                     56: end_msgs()
                     57: {
                     58:        struct itimerval itimer;
                     59: 
                     60:        timerclear(&itimer.it_value);
                     61:        timerclear(&itimer.it_interval);
                     62:        setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
                     63:        signal(SIGALRM, SIG_DFL);
                     64: }

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