On Apr 16 14:49, Corinna Vinschen wrote: > On Apr 16 06:23, Eric Blake wrote: > > According to smr xxxx on 4/14/2008 11:56 AM: > > | Hi, I've just rebuilt my machine and done a clean install of the > > | latest Cygwin, and am having a problem with tail. I'm wanting to know > > | whether this is a known issue before digging deeper. > > > > Not known to me, but I (thankfully) don't use Vista. > > I can reproduce this problem on Windows 2008. Pipes created by cmd on > Vista/2008 are for some reason not recognized as pipes when using Cygwin > 1.5.25-11. This problem does not occur with the upcoming Cygwin 1.7.0 > so it's fixed in CVS, apparently.
The reason is that starting with Windows Vista/2008, anonymous pipes don't have a filename attached to them, so that the call to NtQueryObject in handle_to_fn fails with STATUS_OBJECT_PATH_INVALID. This is handled gracefully for pipes in CVS, but not yet in 1.5.25-11. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/