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Re: Joinable threads


Hi Monty,

On Fri, May 06, 2016 at 12:52:02PM +0300, Michael Widenius wrote:
> Hi!
> On 5 May 2016 17:42, "Sergey Vojtovich" <svoj@xxxxxxxxxxx> wrote:
> >
> > Hi Monty,
> >
> > Thanks for you reply. Please allow me to disagree with some points. :)
> >
> > Attached please find 2 patches, both fix this memory leak. One approach is
> > for detached threads, another one is for joinable threads.
> Sorry, I missed the part about service threads. For these I don't mind to
> use joinable threads.
Ok, mystery solved now! Thanks for confirming you're not against them in general.

> Just one question:
> How to handle hanged threads?
> With the old code we could, if this would ever be a problem, just change
> cond_wait to cond_timed_wait.
> Don't know how to do this with joinable threads, except using alarms which
> is a bit of code (20 lines)
I don't think pthread_join() is good for hanged threads. But threads should
never hang either.