--
On Fri, 19 Oct 2007, Michal Schmidt wrote:
>
> I'm looking at the source. The receiver thread runs with realtime
> priority (it's created with create_fifo_thread), but the sender thread
> (thread2) doesn't (create_other_thread). The sender does:
>
> /* Record the time just before sending the signal */
> begin = rt_gettime();
> /**** The sender can get preempted by anything right here ! ****/
Not only that, if the sender is not RT it can easily be preempted in the
system call that does the signal. Which is highly likely.
-- Steve
> if ((ret = pthread_kill(PTHREADOF(target_thread), SIGNALNUMBER))) {
> printf("pthread_kill returned %d\n", ret);
> }
>
> Can this explain it?
>
> Michal
>
>
>
-
To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
