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Annotation of 42BSD/ucb/talk/msgs.c, revision 1.1

1.1     ! root        1: /* $Header: /a/guest/moore/talk/RCS/msgs.c,v 1.4 83/07/06 00:17:22 moore Exp $ */
        !             2: 
        !             3: /* 
        !             4:  * a package to display what is happening every MSG_INTERVAL seconds
        !             5:  * if we are slow connecting.
        !             6:  */
        !             7: 
        !             8: #include <signal.h>
        !             9: #include <stdio.h>
        !            10: #include <sys/time.h>
        !            11: #include "talk.h"
        !            12: 
        !            13: #define MSG_INTERVAL 4
        !            14: #define LONG_TIME 100000
        !            15: 
        !            16: char *current_state;
        !            17: int current_line = 0;
        !            18: 
        !            19: static struct itimerval itimer;
        !            20: static struct timeval wait = { MSG_INTERVAL , 0};
        !            21: static struct timeval undo = { LONG_TIME, 0};
        !            22:     
        !            23: 
        !            24: disp_msg()
        !            25: {
        !            26:     message(current_state);
        !            27: }
        !            28: 
        !            29: start_msgs()
        !            30: {
        !            31:     message(current_state);
        !            32:     signal(SIGALRM, disp_msg);
        !            33:     itimer.it_value = itimer.it_interval = wait;
        !            34:     setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
        !            35: }
        !            36: 
        !            37: end_msgs()
        !            38: {
        !            39:     signal(SIGALRM, SIG_IGN);
        !            40:     timerclear(&itimer.it_value);
        !            41:     timerclear(&itimer.it_interval);
        !            42:     setitimer(ITIMER_REAL, &itimer, (struct timerval *)0);
        !            43: }

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