Race condition hangs on multiple mintty/tcsh? Brad Wetmore

[Corinna Vinschen]

On Aug 11 13:59, Takashi Yano via Cygwin wrote:
> Hi Thomas,
> 
> On Thu, 6 Aug 2020 15:31:24 +0200
> Thomas Wolff wrote:
> > Am 06.08.2020 um 13:46 schrieb Thomas Wolff:
> > > Am 06.08.2020 um 01:23 schrieb Kevin Schnitzius via Cygwin:
> > >> On Wednesday, August 5, 2020, 06:56:48 PM EDT, Thomas Wolff 
> > >> <towo@towo.net> wrote:
> > >>> Am 04.08.2020 um 12:02 schrieb Thomas Wolff:
> > >>>> Am 04.08.2020 um 00:13 schrieb Brad Wetmore via Cygwin:
> > >>>>> Hi,
> > >>>>>
> > >>>>> I generally kick off multiple (10) mintty sessions, and place them
> > >>>>> around the screen.
> > >>>>> [...]
> > > I could reproduce one case of one of three terminals being 
> > > unresponsive also with xterm.
> > And it also happens if I drop select() from mintty (and use just 
> > non-blocking read()).
> > > Does anybody familiar with pty/select or recent changes have any idea?
> 
> I looked into this problem. After much struggle, I think
> I have found a workaround for this issue.
> 
> I am not sure why this solves the issue at all, however,
> this works for me.
> 
> Could you please test a patch attached?

Shall I commit the patch and create a developer snapshot for testing?


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer