src/hotspot/share/runtime/sweeper.cpp

rev 57079 : imported patch 8234796

*** 309,318 ****
--- 309,327 ----
    }
  
    return &set_hotness_closure;
  }
  
+ class NMethodMarkingHandshake : public HandshakeOperation {
+   NMethodMarkingThreadClosure* _cl;
+  public:
+   NMethodMarkingHandshake(NMethodMarkingThreadClosure* cl) : HandshakeOperation("NMethodMarking"), _cl(cl) {}
+   void do_thread(JavaThread* jt) {
+     _cl->do_thread(jt);
+   }
+ };
+ 
  /**
    * This function triggers a VM operation that does stack scanning of active
    * methods. Stack scanning is mandatory for the sweeper to make progress.
    */
  void NMethodSweeper::do_stack_scanning() {
*** 324,334 ****
          MutexLocker ccl(CodeCache_lock, Mutex::_no_safepoint_check_flag);
          code_cl = prepare_mark_active_nmethods();
        }
        if (code_cl != NULL) {
          NMethodMarkingThreadClosure tcl(code_cl);
!         Handshake::execute(&tcl);
        }
      } else {
        VM_MarkActiveNMethods op;
        VMThread::execute(&op);
      }
--- 333,344 ----
          MutexLocker ccl(CodeCache_lock, Mutex::_no_safepoint_check_flag);
          code_cl = prepare_mark_active_nmethods();
        }
        if (code_cl != NULL) {
          NMethodMarkingThreadClosure tcl(code_cl);
!         NMethodMarkingHandshake nm_hs(&tcl);
!         Handshake::execute(&nm_hs);
        }
      } else {
        VM_MarkActiveNMethods op;
        VMThread::execute(&op);
      }