src/hotspot/share/gc/z/zMark.cpp

rev 57079 : imported patch 8234796

*** 433,448 ****
    bool flushed() const {
      return _flushed;
    }
  };
  
  bool ZMark::flush(bool at_safepoint) {
    ZMarkFlushAndFreeStacksClosure cl(this);
    if (at_safepoint) {
      Threads::threads_do(&cl);
    } else {
!     Handshake::execute(&cl);
    }
  
    // Returns true if more work is available
    return cl.flushed() || !_stripes.is_empty();
  }
--- 433,459 ----
    bool flushed() const {
      return _flushed;
    }
  };
  
+ class ZMarkFlushAndFreeStacksHandshake : public HandshakeOperation {
+   ZMarkFlushAndFreeStacksClosure* _cl;
+ public:
+   ZMarkFlushAndFreeStacksHandshake(ZMarkFlushAndFreeStacksClosure* cl)
+     : HandshakeOperation("ZMarkFlushAndFreeStacks"), _cl(cl) {}
+   void do_thread(JavaThread* jt) {
+     _cl->do_thread(jt);
+   }
+ };
+ 
  bool ZMark::flush(bool at_safepoint) {
    ZMarkFlushAndFreeStacksClosure cl(this);
    if (at_safepoint) {
      Threads::threads_do(&cl);
    } else {
!     ZMarkFlushAndFreeStacksHandshake zmf_hs(&cl);
!     Handshake::execute(&zmf_hs);
    }
  
    // Returns true if more work is available
    return cl.flushed() || !_stripes.is_empty();
  }