What's new:
-----------


What changed:
-------------

- Slightly improve randomness of /dev/random emulation.

- Allow to use advisory locking on any device which is backed by an OS
  handle.  Right now this excludes /dev/clipboard, /dev/dsp, as well as
  almost all virtual files under /proc.


Bug fixes:
----------

- pthread_atparent hook should not be called in the child.
  Fixes: http://cygwin.com/ml/cygwin/2013-09/msg00365.html

- 64 bit only:  Correctly mmap'ing regions > 4 Gigs.
  Fixes: http://cygwin.com/ml/cygwin/2013-09/msg00155.html

- Fix random content of /proc/$PID/ctty if the process has no controlling
  tty.  Set to just "\n" instead.

- Properly set process sid rather than always using -1.
  Fixes: http://cygwin.com/ml/cygwin/2013-10/threads.html#00237 

- Fix a potential crash after calling lseek on /dev/clipboard.