1.7.5: Occasional failure of CreatePipe or signal handing due to thread-unsafe code in cwdstuff::set

Corinna Vinschen corinna-cygwin@cygwin.com
Wed Aug 11 15:17:00 GMT 2010

On Aug 11 10:57, Christopher Faylor wrote:
> On Wed, Aug 11, 2010 at 10:54:07AM -0400, Christopher Faylor wrote:
> >4) Break path into convenient chunks and first change to an absolute path
> >whose length is <= MAXPATHLEN and then change to relative paths whose
> >lenghts are also <= MAXPATHLEN.
> >
> >I thought that this technique worked but maybe I'm mistaken.  If it does,
> >it would be a foolproof but slow way of cd'ing to a long path.
> Actually, it isn't exactly foolproof because it wouldn't be thread-safe
> with Windows API functions.  We could make it threadsafe with cygwin
> functions though.

The problem is that it won't work.  The CWD restriction to a path of 259
chars is an absolute one.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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