Accomodate moving cygserver header files from cygwin/include/cygwin

to here and cygwin dir.
	* Makefile.in (EXEEXT): Drop as unused.
	(EXEEXT_FOR_BUILD): Ditto.
	(all): Don't build libcygserver.a.
	* cygserver_process.h: Moved from cygwin/include/cygwin to here.
	* cygserver_transport.h: Ditto.
	* cygserver_transport_pipes.h: Ditto.
	* cygserver_transport_sockets.h: Ditto.
	* ipc.h: Moved to ../cygwin and renamed to cygserver_ipc.h.
	* shm.h: Moved to ../cygwin and renamed to cygserver_shm.h.

winsup/cygserver/cygserver_transport_pipes.h

@@ -0,0 +1,53 @@
+/* cygserver_transport_pipes.h
+
+   Copyright 2001, 2002 Red Hat Inc.
+
+   Written by Robert Collins <rbtcollins@hotmail.com>
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef _CYGSERVER_TRANSPORT_PIPES_
+#define _CYGSERVER_TRANSPORT_PIPES_
+
+/* Named pipes based transport, for security on NT */
+class transport_layer_pipes : public transport_layer_base
+{
+public:
+#ifndef __INSIDE_CYGWIN__
+  virtual int listen ();
+  virtual class transport_layer_pipes *accept (bool *recoverable);
+#endif
+
+  virtual void close ();
+  virtual ssize_t read (void *buf, size_t len);
+  virtual ssize_t write (void *buf, size_t len);
+  virtual int connect ();
+
+#ifndef __INSIDE_CYGWIN__
+  virtual void impersonate_client ();
+  virtual void revert_to_self ();
+#endif
+
+  transport_layer_pipes ();
+  virtual ~transport_layer_pipes ();
+
+private:
+  /* for pipe based communications */
+  void init_security ();
+
+  //FIXME: allow inited, sd, all_nih_.. to be static members
+  SECURITY_DESCRIPTOR _sd;
+  SECURITY_ATTRIBUTES _sec_all_nih;
+  const char *const _pipe_name;
+  HANDLE _hPipe;
+  const bool _is_accepted_endpoint;
+  bool _is_listening_endpoint;
+
+  transport_layer_pipes (HANDLE hPipe);
+};
+
+#endif /* _CYGSERVER_TRANSPORT_PIPES_ */