pquerna's concern is hopefully resolved with a needed

    *) Prevent hang writing to piped logger at graceful restart time.

       PR: 26467

         http://svn.apache.org/viewcvs?rev=170281&view=rev

       +1: trawick, jorton

         http://svn.apache.org/viewcvs.cgi?rev=171093&view=rev

       +1: trawick

       -0: pquerna: This adds a new public function.  It should be either a 

           minor MMN bump, or be put under CORE_PRIVATE.

           trawick: I resolved this via second commit above.  Thanks!

       jorton was +1 prior to addition of the second commit.

    *) Fix fd leak in piped logging code, fix error handling, and remove

       dead errno handling.