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

- New API: memrchr.

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

- Fix pipe creation problem which manifested as a problem creating a
  fifo.  Fixes: http://cygwin.com/ml/cygwin/2012-05/msg00253.html

- Fix hang when calling pthread_testcancel in a canceled thread.
  Fixes some of: http://cygwin.com/ml/cygwin/2012-05/msg00186.html

- Fix invocation of strace from a cygwin process.  Fixes:
  http://cygwin.com/ml/cygwin/2012-05/msg00292.html

- Fix hang when zero bytes are written to a pty using
  Windows WriteFile or equivalent.  Fixes:
  http://cygwin.com/ml/cygwin/2012-05/msg00323.html

- Fix recv, recvfrom, recvmsg behaviour if a 0 bytes buffer is given
  as argument.  Fixes: http://cygwin.com/ml/cygwin/2012-05/msg00332.html

- Handle inode numbers returned by Samba >= 3.5.4. 
  Fixes: http://cygwin.com/ml/cygwin/2012-05/msg00236.html

- Fix emacs problem which exposed an issue with Cygwin's select() function.
  If a signal arrives while select is blocking and the program longjmps
  out of the signal handler then threads and memory may be left hanging.
  Fixes: http://cygwin.com/ml/cygwin/2012-05/threads.html#00275