[newlib-cygwin] Cygwin: Remove synchronization event from dumper

[Jon TURNEY]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=0d4d2d38fbdf923f379a89b82b6a63580abbaed2

commit 0d4d2d38fbdf923f379a89b82b6a63580abbaed2
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Mon Jul 6 15:02:39 2020 +0100

    Cygwin: Remove synchronization event from dumper
    
    The use of the 'cygwin_error_start_event' for synchronization with
    dumper was removed from the DLL in commit 8abeff1e (April 2001).

Diff:
---
 winsup/utils/dumper.cc | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/winsup/utils/dumper.cc b/winsup/utils/dumper.cc
index 3eb4af275..816320e6d 100644
--- a/winsup/utils/dumper.cc
+++ b/winsup/utils/dumper.cc
@@ -627,10 +627,6 @@ dumper::collect_process_information ()
       return 0;
     }
 
-  char event_name[sizeof ("cygwin_error_start_event") + 20];
-  sprintf (event_name, "cygwin_error_start_event%16x", (unsigned int) pid);
-  HANDLE sync_with_debugee = OpenEvent (EVENT_MODIFY_STATE, FALSE, event_name);
-
   DEBUG_EVENT current_event;
 
   while (1)
@@ -701,10 +697,6 @@ dumper::collect_process_information ()
 	      goto failed;
 	    };
 
-	  /* signal a debugee that we've finished */
-	  if (sync_with_debugee)
-	    SetEvent (sync_with_debugee);
-
 	  break;
 
 	default:
@@ -730,10 +722,6 @@ failed:
   /* Otherwise, the debuggee is terminated when this process exits
      (as DebugSetProcessKillOnExit() defaults to TRUE) */
 
-  /* set debugee free */
-  if (sync_with_debugee)
-    SetEvent (sync_with_debugee);
-
   return 0;
 }