Hi Glenn, 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. 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