Re: Instability with signals and threads

[Corinna Vinschen <corinna-cygwin@cygwin.com>]

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Mikulas, ping?

On Nov 28 22:12, Corinna Vinschen wrote:
> On Nov 21 15:43, Corinna Vinschen wrote:
> > I'm going to take a step back for now, and reevaluate what happens
> > before trying to apply even more hacks.  Ultimately the problem is that
> > the cygtls area is accessed from other threads (mainly the signal
> > thread) without locking, and worse, that the lock for the cygtls area is
> > a member of _cygtls itself.  The latter needs certainly a patch, and I'm
> > contemplating to extend cygheap::threadlist to become a per-thread
> > structure containing the _cygtls pointer, the thread ID, the main thread
> > HANDLE, and the tls muto.  This should allow to serialize access to the
> > cygtls area in a way which avoids the aforementioned problems without
> > a complete redesign.
> 
> I applied a patch which is supposed to fix this problem.  Your STC
> works for me and everything else I tried, including X and Emacs in X11
> GUI mode still work.
> 
> Please try the latest snapshot from https://cygwin.com/snapshots/
> 
> I'm not expecting that my first cut works OOTB, so I'd be glad for
> more testing.


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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