* cygtls.h (_cygtls): Perform minor reformatting.

* winsup.h (close_all_files): Reflect argument change.
* dtable.cc (close_all_files): Ditto.
* dtable.h: Ditto.
* fhandler.h: Ditto.
* spawn.cc (spawn_guts): Move close_all_files back to its original location in
first P_OVERLAY test but use argument denoting that handles are only supposed
to be closed, not released (more work to be done here).
* syscalls.cc (close_all_files): Take an argument denoting whether to release
closed files or not.
* path.cc (symlink): Change argument names to reflect linux man page.
(symlink_worker): Ditto.  Also appropriately set ENOENT for empty strings.

winsup/cygwin/syscalls.cc

@@ -94,7 +94,7 @@ static int __stdcall stat_worker (const char *name, struct __stat64 *buf,
    ensure we don't leave any such files lying around.  */
 
 void __stdcall
-close_all_files ()
+close_all_files (bool norelease)
 {
   cygheap->fdtab.lock ();
 
@@ -106,7 +106,8 @@ close_all_files ()
 	debug_printf ("closing fd %d", i);
 #endif
 	fh->close ();
-	cygheap->fdtab.release (i);
+	if (!norelease)
+	  cygheap->fdtab.release (i);
       }
 
   if (cygheap->ctty)