*) Reimplement the Windows MPM (mpm_winnt.c) to eliminate calling

     DuplicateHandle on an IOCompletionPort (a practice which
     MS "discourages"). The new model does not rely on associating
     the completion port with the listening sockets, thus the
     completion port can be completely managed within the child
     process.  A dedicated thread accepts connections off the network,
     then calls PostQueuedCompletionStatus() to wake up worker
     threads blocked on the completion port.
     [Bill Stoddard]


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88498 13f79535-47bb-0310-9956-ffa450edef68