292   // we might instead use a stack of ParkEvents that we could provision on-demand.

   292   // we might instead use a stack of ParkEvents that we could provision on-demand.

   293   // The stack would act as a cache to avoid calls to ParkEvent::Allocate()

   293   // The stack would act as a cache to avoid calls to ParkEvent::Allocate()

   294   // and ::Release()

   294   // and ::Release()

   295   _ParkEvent   = ParkEvent::Allocate(this);

   295   _ParkEvent   = ParkEvent::Allocate(this);

   296   _SleepEvent  = ParkEvent::Allocate(this);

   296   _SleepEvent  = ParkEvent::Allocate(this);

   298   _MuxEvent    = ParkEvent::Allocate(this);

   297   _MuxEvent    = ParkEvent::Allocate(this);

   299 

   298 

   300 #ifdef CHECK_UNHANDLED_OOPS

   299 #ifdef CHECK_UNHANDLED_OOPS

   301   if (CheckUnhandledOops) {

   300   if (CheckUnhandledOops) {

   302     _unhandled_oops = new UnhandledOops(this);

   301     _unhandled_oops = new UnhandledOops(this);

   458 

   457 

   459   // It's possible we can encounter a null _ParkEvent, etc., in stillborn threads.

   458   // It's possible we can encounter a null _ParkEvent, etc., in stillborn threads.

   460   // We NULL out the fields for good hygiene.

   459   // We NULL out the fields for good hygiene.

   461   ParkEvent::Release(_ParkEvent); _ParkEvent   = NULL;

   460   ParkEvent::Release(_ParkEvent); _ParkEvent   = NULL;

   462   ParkEvent::Release(_SleepEvent); _SleepEvent  = NULL;

   461   ParkEvent::Release(_SleepEvent); _SleepEvent  = NULL;

   464   ParkEvent::Release(_MuxEvent); _MuxEvent    = NULL;

   462   ParkEvent::Release(_MuxEvent); _MuxEvent    = NULL;

   465 

   463 

   466   delete handle_area();

   464   delete handle_area();

   467   delete metadata_handles();

   465   delete metadata_handles();

   468 

   466