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Re: Problem with pthead.h - child's thread ending, causes main program to exit
On Thu, 28 Oct 2004, jdeifik wrote:
> At 09:27 AM 10/28/2004, Brian Ford wrote:
> >You missed the point of that thread. The bug has nothing to do with
> >pthread_join, but with the stdio handles being closed on pthread_exit.
> >Thus, if you are trying to deduce that the entire program exits because
> >you see no more stdio, you have reached an incorrect conclusion.
>
> I deduced the entire program exits, because it exits, and returns a new
> command line prompt.
Ok.
> I suppose it is possible that the threads all terminated normally,
> except they failed to generate all of their output because stdio got
> closed.
Probably.
> What I observed was less output than the other threads were supposed to
> generate, and me getting a command prompt. Since I saw less output that
> I should have, I deduced that the threads exited rather than stdio got
> hosed. I also had fprintf(stderr,... code to debug what was going on,
> and it stopped also.
I think the bug effected all stdio, not just stdout.
> In any event, it seems the latest snapshot fixes the problem.
Great.
--
Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
the best safety device in any aircraft is a well-trained pilot...
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