* DevNotes: Add entry cgf-000007.

* child_info.h (child_info_spawn::parent_winpid): Declare new field.
(child_info_spawn::get_parent_handle): Declare new function.
* dcrt0.cc (child_info_spawn::get_parent_handle): Define new function.
(child_info_spawn::handle_spawn): Recreate parent handle if possible when
dynamically loaded.  Don't mess with parent handle if it's NULL.
* spawn.cc (child_info_spawn::worker): Set parent_winpid appropriately.

winsup/cygwin/child_info.h

@@ -66,6 +66,7 @@ public:
   HANDLE subproc_ready;	// used for synchronization with parent
   HANDLE user_h;
   HANDLE parent;
+  DWORD parent_winpid;
   DWORD cygheap_reserve_sz;
   unsigned fhandler_union_cb;
   DWORD exit_code;	// process exit code
@@ -175,6 +176,7 @@ public:
     lock->release ();
     return !!hExeced;
   }
+  bool get_parent_handle ();
   bool has_execed_cygwin () const { return iscygwin () && has_execed (); }
   operator HANDLE& () {return hExeced;}
   int worker (const char *, const char *const *, const char *const [], int,