On Apr 8 17:07, Christian Franke via Cygwin wrote:
> Corinna Vinschen via Cygwin wrote:
> > On Apr 8 13:50, Corinna Vinschen via Cygwin wrote:
> > > On Apr 7 09:59, Christian Franke via Cygwin wrote:
> > > > Found because 'stress-ng --fcntl 2 --verify' reports "ftruncate failed,
> > > > errno=21":
> > > Thanks for the testcase. I know what happens. Stay tuned for a patch.
> > Nice problem. That's what happens if you try to do what an OS is doing,
> > without actually being an OS, just a user space lib. Theoretically we
> > should never cache any file information but always call the matching OS
> > functions. Only... this adds quite a few context switches every time
> > accessing files. Sigh.
> >
> > I just pushed 2d81f6ebe3dc ("Cygwin: open: always fix up cached DOS file
> > attributes after NtCreateFile").
> >
> > Try the upcoming cygwin-3.7.0-0.47.g9e6193576f34.
>
> With a local build of 3.7.0-dev-49-g42df80dad079.x86_64, both the testcase
> and stress-ng no longer fail.
Thanks for checking!
Corinna
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