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Annotation of 43BSDTahoe/ucb/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 the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #ifndef lint
                     19: static char sccsid[] = "@(#)msgs.c     5.4 (Berkeley) 6/29/88";
                     20: #endif /* not lint */
                     21: 
                     22: /* 
                     23:  * A package to display what is happening every MSG_INTERVAL seconds
                     24:  * if we are slow connecting.
                     25:  */
                     26: 
                     27: #include <signal.h>
                     28: #include <stdio.h>
                     29: #include <sys/time.h>
                     30: #include "talk.h"
                     31: 
                     32: #define MSG_INTERVAL 4
                     33: 
                     34: char   *current_state;
                     35: int    current_line = 0;
                     36: 
                     37: disp_msg()
                     38: {
                     39: 
                     40:        message(current_state);
                     41: }
                     42: 
                     43: start_msgs()
                     44: {
                     45:        struct itimerval itimer;
                     46: 
                     47:        message(current_state);
                     48:        signal(SIGALRM, disp_msg);
                     49:        itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
                     50:        itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
                     51:        setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
                     52: }
                     53: 
                     54: end_msgs()
                     55: {
                     56:        struct itimerval itimer;
                     57: 
                     58:        timerclear(&itimer.it_value);
                     59:        timerclear(&itimer.it_interval);
                     60:        setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
                     61:        signal(SIGALRM, SIG_DFL);
                     62: }

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