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Annotation of 43BSDTahoe/ucb/talk/msgs.c, revision 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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