src/hotspot/share/gc/shenandoah/shenandoahLock.hpp

rev 59811 : 8247670: Shenandoah: deadlock during class unloading OOME

*** 96,105 ****
--- 96,106 ----
  public:
    ShenandoahSimpleLock();
  
    virtual void lock();
    virtual void unlock();
+   virtual bool try_lock();
  };
  
  class ShenandoahReentrantLock : public ShenandoahSimpleLock {
  private:
    Thread* volatile      _owner;
*** 109,118 ****
--- 110,120 ----
    ShenandoahReentrantLock();
    ~ShenandoahReentrantLock();
  
    virtual void lock();
    virtual void unlock();
+   virtual bool try_lock();
  
    // If the lock already owned by this thread
    bool owned_by_self() const ;
  };