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Updated: Cygwin 1.7.22 (First offical 64 bit release)

Hi Cygwin friends and users,

I just released Cygwin 1.7.22.

                 INTRODUCING A 64 BIT RELEASE
This is the first official Cygwin release which is publically available
as a 64 bit version for AMD64 Windows systems.

Right now the 64 bit Cygwin distribution doesn't come with as many
packages as the 32 bit version, but it's as stable as the 32 bit version,
and more packages will be available over time.

If you're already running a 32 bit version of Cygwin on 64 bit Windows
machines, you can continue to do so.  If you're planning a new install
of Cygwin on a 64 bit Windows machine, consider to use the new 64 bit
Cygwin version, unless you need certain packages not yet available in
the 64 bit release.

To install 32-bit Cygwin use the new
To install 64 bit Cygwin use the new

Other than that, 1.7.22 is mostly a bugfix release.

What changed:

- Support for /dev/mem, /dev/kmem and /dev/port removed, since OS support
  was limited to 32 bit Windows XP only.

- Added cygwin GetCommandLine wrappers which will allow Cygwin programs to
  (appear to) use the Windows command line functions.

- regcomp(3) now allows character values >= 0x80 if the current codeset is
  ASCII (default codeset in the "C"/"POSIX" locale).  This allows patterns
  containing arbitrary byte values as GLibc's regcomp.

Bug fixes:

- Fix an off-by-one error in path handling which made the access check
  for the existing path before a ".." component (introduced with 1.7.21)
  fail for UNC paths (//server/share/path).

- Fix long-standing problem which allows to access files via ".." using an
  invalid POSIX path, for instance, `cd nonexistant/../existing_dir".

- Fix an initialization bug in XSI IPC on, which could result in
  XSI IPC functions misbehave on x86_64.

- Fix a timer handle leak in sleep family of functions.

- Fix issue with raise() not causing the process to exit with a signal
  status.  Also only set "dumped core" flag when it's a "kernel" signal.

Have fun,


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

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