src/hotspot/share/gc/shared/objectCountEventSender.hpp

rev 49619 : JEP 328 : Flight Recorder open source preview

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 2015, 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) 2013, 2018, 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.
*** 25,43 ****
  #ifndef SHARE_VM_GC_SHARED_OBJECTCOUNTEVENTSENDER_HPP
  #define SHARE_VM_GC_SHARED_OBJECTCOUNTEVENTSENDER_HPP
  
  #include "gc/shared/gcTrace.hpp"
  #include "memory/allocation.hpp"
  #include "utilities/macros.hpp"
  
  #if INCLUDE_SERVICES
  
  class KlassInfoEntry;
! class Ticks;
  
  class ObjectCountEventSender : public AllStatic {
   public:
    static void send(const KlassInfoEntry* entry, const Ticks& timestamp);
    static bool should_send_event();
  };
  
  #endif // INCLUDE_SERVICES
--- 25,60 ----
  #ifndef SHARE_VM_GC_SHARED_OBJECTCOUNTEVENTSENDER_HPP
  #define SHARE_VM_GC_SHARED_OBJECTCOUNTEVENTSENDER_HPP
  
  #include "gc/shared/gcTrace.hpp"
  #include "memory/allocation.hpp"
+ #include "utilities/globalDefinitions.hpp"
  #include "utilities/macros.hpp"
+ #include "utilities/ticks.hpp"
  
  #if INCLUDE_SERVICES
  
  class KlassInfoEntry;
! class Klass;
  
  class ObjectCountEventSender : public AllStatic {
+   static bool _should_send_requestable_event;
+ 
+   template <typename T>
+   static void send_event_if_enabled(Klass* klass, jlong count, julong size, const Ticks& timestamp);
+ 
+  public:
+   static void enable_requestable_event();
+   static void disable_requestable_event();
+ 
   public:
+   // The following two functions have the exact same signature as
+   // hotspot/src/share/vm/gc_implementation/shared/objectCountEventSender.hpp
+   //
+   // This file will replace the open file if a closed build is performed.
+   // These function signatures can therefore not be changed if the open
+   // signatures aren't changed as well.
    static void send(const KlassInfoEntry* entry, const Ticks& timestamp);
    static bool should_send_event();
  };
  
  #endif // INCLUDE_SERVICES