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Updated: Cygwin 2.2.1-1

Hi Cygwin friends and users,

I released another version of Cygwin.  The version number is 2.2.1-1.

Bug Fixes

- Revert the following patch from 2.2.0:
  When started from a non-Cygwin process, check if $HOME starts with a
  slash (absolute POSIX path).  Otherwise ignore it.
  Addresses discussion starting at

- Fix output of /proc/cpuinfo in terms of cpu topology and cache size for
  modern CPUs and modern Windows OSes supporting more than 64 logical CPUs.

- Don't call LsaLookupSids to fetch group information and don't perform RFC2307
  owner/group mapping on Samba/NFS if account info is only fetched from local
  passwd/group files.

- Precautionally fix a potential data corruption problem in pipe I/O, only
  actually observered in Wine yet.  However, MSDN language indicates this
  might be a problem on real Windows as well.

- Include <sys/ucontext.h> from <sys/signal.h> if compiling for POSIX.1-2008.

- getservent(3) returned the port number in host byte order.  Change that to
  network byte order as required.

Have fun,

Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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