* dcrt0.cc (dll_crt0_1): Create vfork main storage here so that it can be

queried in waitsig later.
* sigproc.cc (wait_sig): Don't deliver a signal if in a vfork.
* fork.cc (vfork): Deliver all signals on parent return from vfork.

winsup/cygwin/perthread.h

@@ -68,7 +68,7 @@ public:
   size_t size () {return sizeof (waitq);}
 };
 
-#ifdef NEED_VFORK
+#if defined (NEED_VFORK)
 struct vfork_save
 {
   int pid;
@@ -87,6 +87,7 @@ public:
   size_t size () {return sizeof (vfork_save);}
 };
 extern per_thread_vfork vfork_storage;
+extern vfork_save *main_vfork;
 #endif
 
 extern "C" {