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From: | Michael Greenly |
Subject: | Re: [Chicken-users] trying to gracefully stop threads |
Date: | Sat, 7 Dec 2013 14:48:50 -0600 |
* Christian Kellermann <address@hidden> [131207 21:11]:
> Hi Michael,Ah well the blocked state probably originates from being in
>
> * Michael Greenly <address@hidden> [131207 20:23]:
> > My assumption is that the thread would be started and recurs until done
> > becomes false at which time that thread would exit cleanly and allow the
> > join in the primary thread to continue.
> >
> > The 'done' flag only becomes false when INT is signaled and handled
> >
> > Instead I get a "Error: uncaught exception: #<condition:
> > (join-timeout-exception)>".
>
> This may be a bug you have found. If you run the example in csi
> withtout the signal handler and set done to #t it works as expected.
>
> However as I see the thread is found in a "blocked" state when the
> signal handler gets called. This in turn causes the timeout condition
> to be raised. This shouldn't happen as I understand it, as the user
> clearly didn't set any timeout.
thread-sleep!... Removing that makes the example work as expected
modulo the busy loop...
So the question is how do we determine whether we actually ran into
a timeout...
(Am I thinking out loud again?)
--
In the world, there is nothing more submissive and weak than
water. Yet for attacking that which is hard and strong, nothing can
surpass it. --- Lao Tzu
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