632 

   632 

   633 

   633 

   634 class ZMarkConcurrentRootsTask : public ZTask {

   634 class ZMarkConcurrentRootsTask : public ZTask {

   635 private:

   635 private:

   636   SuspendibleThreadSetJoiner          _sts_joiner;

   636   SuspendibleThreadSetJoiner          _sts_joiner;

   638   ZMarkConcurrentRootsIteratorClosure _cl;

   638   ZMarkConcurrentRootsIteratorClosure _cl;

   639 

   639 

   640 public:

   640 public:

   641   ZMarkConcurrentRootsTask(ZMark* mark) :

   641   ZMarkConcurrentRootsTask(ZMark* mark) :

   642       ZTask("ZMarkConcurrentRootsTask"),

   642       ZTask("ZMarkConcurrentRootsTask"),

   645       _cl() {

   645       _cl() {

   646     ClassLoaderDataGraph_lock->lock();

   646     ClassLoaderDataGraph_lock->lock();

   648   }

   647   }

   649 

   648 

   650   ~ZMarkConcurrentRootsTask() {

   649   ~ZMarkConcurrentRootsTask() {

   651     ClassLoaderDataGraph_lock->unlock();

   650     ClassLoaderDataGraph_lock->unlock();

   652   }

   651   }