204 class CountHandleClosure: public OopClosure {

   204 class CountHandleClosure: public OopClosure {

   205 private:

   205 private:

   206   int _count;

   206   int _count;

   207 public:

   207 public:

   208   CountHandleClosure(): _count(0) {}

   208   CountHandleClosure(): _count(0) {}

   210     _count++;

   210     _count++;

   211   }

   211   }

   212   int count() { return _count; }

   213   int count() { return _count; }

   213 };

   214 };

   214 

   215 

   215 // We assume this is called at a safepoint: no lock is needed.

   216 // We assume this is called at a safepoint: no lock is needed.

   216 void JNIHandles::print_on(outputStream* st) {

   217 void JNIHandles::print_on(outputStream* st) {

   228   st->flush();

   229   st->flush();

   229 }

   230 }

   230 

   231 

   231 class VerifyHandleClosure: public OopClosure {

   232 class VerifyHandleClosure: public OopClosure {

   232 public:

   233 public:

   234     (*root)->verify();

   235     (*root)->verify();

   235   }

   236   }

   236 };

   238 };

   237 

   239 

   238 void JNIHandles::verify() {

   240 void JNIHandles::verify() {

   239   VerifyHandleClosure verify_handle;

   241   VerifyHandleClosure verify_handle;

   240   AlwaysAliveClosure always_alive;

   242   AlwaysAliveClosure always_alive;