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From: Dan Bonachea <dobonachea AT lbl DOT gov>
Date: Wed, 30 Jan 2019 19:11:29 -0500
Message-ID: <CAJTO8-Z18U+g+8kzRxpY-g7Ds5CGpuJG0-n6Pmevt_2dPS60AQ@mail.gmail.com>
Subject: Re: Bug: Incorrect signal behavior in multi-threaded processes
To: cygwin AT cygwin DOT com, Dan Bonachea <dobonachea AT lbl DOT gov>
Cc: "E. Madison Bray" <erik DOT m DOT bray AT gmail DOT com>, gasnet-devel AT lbl DOT gov
Content-Type: text/plain; charset="UTF-8"

On Wed, Jan 30, 2019 at 4:23 PM Corinna Vinschen
<corinna-cygwin AT cygwin DOT com> wrote:
> > > > Poking around further, I find that replacing the signal generation
> > > > code in the test program for all cases with :
> > > >
> > > >   pthread_kill(pthread_self(),sigid)
> > > >
> > > > generates compliant signal delivery behavior!
> > >
> > > Thanks, I fixed that in Cygwin.  It will be part of the 3.0 release.
> >
> > I think I have a solution for the SISEGV misbehaviour.  I have to
> > test it a bit but this may make it into Cygwin 3.0 if all is well.
>
> Please try the latest developer snapshot from https://cygwin.com/snapshots/
> or the new 3.0.0-0.3 test release.  I hope this fixes the problem
> sufficiently.

Hi Corinna -

I've installed the 3.0.0-0.3 test release on my workstation and
confirmed that it fixes all the reported misbehaviors in the test
program.
It also appears to fix the signal-related problems encountered in our
multi-threaded production code.

Thanks so much for the prompt fixes!
-D

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