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Re: Problem with pthead.h - child's thread ending, causes main program to exit


At 09:27 AM 10/28/2004, you wrote:

On Thu, 28 Oct 2004, jdeifik wrote:
> Brian Ford wrote:
> >On Wed, 27 Oct 2004, jdeifik wrote:
> > > Using cygwin and windows xp sp2, when one thread reaches the end
> > > of execution, the entire program exits.
> >
> >And you know this is really what happens because...?
> >
> >Or, is it this bug?
> >
> >http://cygwin.com/ml/cygwin/2004-09/msg00257.html
>
> Doesn't seem likely, as I never call pthread_join.

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.

I suppose it is possible that the threads all
terminated normally, except they failed to generate all of their output
because stdio got closed.

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.

In any event, it seems the latest snapshot fixes the problem.

Jeff Deifik

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