Hi Glenn,
On Dec 21 12:31, Corinna Vinschen via Cygwin wrote:
> On Dec 21 06:15, gs-cygwin.com--- via Cygwin wrote:
> > open /dev/null O_NOFOLLOW fails with ELOOP
> >
> > Windows 10, 64-bit cygwin
> >
> > Failed with my existing install, then I ran setup.exe, updated to
> > latest, and my tests still failed.
> >
> > a.c
> > ---
> >
> > #include <sys/types.h>
> > #include <fcntl.h>
> > #include <stdio.h>
> >
> > int main (void)
> > {
> > int fd = open("/dev/null", O_RDWR | O_NOFOLLOW, 0);
> > if (fd < 0)
> > perror("open(/dev/null)");
> > return fd;
> > }
> >
> >
> > $ gcc a.c ; ./a.exe
> > open(/dev/null): Too many levels of symbolic links
> >
> > While troubleshooting this, there were times where it succeeded and then
> > times where it failed, though it failed most of the time. It did not
> > fail (or succeed) randomly, but seemingly in streaks.
> >
> > Trying to start lighttpd seems to run into this bug reliably,
> > $ /usr/sbin/lighttpd -D -f /etc/lighttpd/lighttpd.conf
> > In the next release of lighttpd, I may end up omitting O_NOFOLLOW
> > if __CYGWIN__ is defined.
>
> Thanks for the report. I think I see what's going on, stay tuned.
I pushed a patch:
https://cygwin.com/git/?p=newlib-cygwin.git;a=commitdiff;h=09cb4cd2940f
Please try the latest test release cygwin-3.5.0-0.60.g09cb4cd2940f.
For installation, see https://cygwin.com/faq.html#faq.setup.testrels
Thanks,
Corinna
--
Problem reports: https://cygwin.com/problems.html
FAQ: https://cygwin.com/faq/
Documentation: https://cygwin.com/docs.html
Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
