* cygwait.cc (cancelable_wait): Mimic old cygwait behavior more closely wrt

handling of call_signal_handler.
* cygwait.h (WAIT_CANCELED): Move here and redefine.
(WAIT_SIGNALED): Ditto.
* thread.h (WAIT_CANCELED): Delete.
(WAIT_SIGNALED): Ditto.

winsup/cygwin/dcrt0.cc

@@ -842,8 +842,6 @@ dll_crt0_1 (void *)
   strace.microseconds ();
 #endif
 
-  create_signal_arrived (); /* FIXME: move into wait_sig? */
-
   /* Initialize debug muto, if DLL is built with --enable-debugging.
      Need to do this before any helper threads start. */
   debug_init ();