src/share/vm/gc/g1/concurrentMarkThread.hpp

rev 12505 : imported patch g1_whitebox

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 28,37 ****
--- 28,38 ----
  #include "gc/shared/concurrentGCThread.hpp"
  
  // The Concurrent Mark GC Thread triggers the parallel G1CMConcurrentMarkingTasks
  // as well as handling various marking cleanup.
  
+ class ConcurrentGCPhaseManager;
  class G1ConcurrentMark;
  class G1Policy;
  
  class ConcurrentMarkThread: public ConcurrentGCThread {
    friend class VMStructs;
*** 48,57 ****
--- 49,62 ----
      InProgress
    };
  
    volatile State _state;
  
+   // WhiteBox testing support.
+   int _requested_phase;
+   ConcurrentGCPhaseManager* _phase_manager;
+ 
    void sleepBeforeNextCycle();
    void delay_to_keep_mmu(G1Policy* g1_policy, bool remark);
  
    void run_service();
    void stop_service();
*** 81,88 ****
--- 86,98 ----
    // cleared). While during_cycle() is true we will not start another cycle
    // so that cycles do not overlap. We cannot use just in_progress()
    // as the CM thread might take some time to wake up before noticing
    // that started() is set and set in_progress().
    bool during_cycle()      { return !idle(); }
+ 
+   // WhiteBox testing support.
+   bool request_concurrent_phase(const char* phase);
+ 
+   ConcurrentGCPhaseManager* phase_manager() const { return _phase_manager; }
  };
  
  #endif // SHARE_VM_GC_G1_CONCURRENTMARKTHREAD_HPP