[ts-7000] Re: T3 and T4 timers - What are they?

["burnsmicro" <>]

> "Linux maintains a system clock with a resolution (in the 2.4 kernel 
> supplied with TS-Linux) of 10millisec. Any user space program can use 
> standard Unix/Linux timer functions  alarm(2), getitimer(2), setitimer(2)

Regrettably, alarm() has a granularity of seconds.

But setitimer looks promising:

       int setitimer(int which, const struct itimerval *value,
                     struct itimerval *ovalue);

Where struct itimerval's contain seconds and microseconds

On countdown, the timer resets and delivers a SIGALRM.

Now my challenge is how to catch and deal with a SIGALRM.

Thanks



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