src/share/vm/classfile/classLoaderData.hpp

rev 8910 : full patch for jfr

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, 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.

@@ -33,10 +33,11 @@
 #include "utilities/growableArray.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_TRACE
 #include "utilities/ticks.hpp"
 #endif
+#include "jfr/utilities/jfrLog.hpp"
 
 //
 // A class loader represents a linkset. Conceptually, a linkset identifies
 // the complete transitive closure of resolved links that a dynamic linker can
 // produce.

@@ -80,10 +81,11 @@
   static void oops_do(OopClosure* f, KlassClosure* klass_closure, bool must_claim);
   static void keep_alive_oops_do(OopClosure* blk, KlassClosure* klass_closure, bool must_claim);
   static void always_strong_oops_do(OopClosure* blk, KlassClosure* klass_closure, bool must_claim);
   // cld do
   static void cld_do(CLDClosure* cl);
+  static void cld_unloading_do(CLDClosure* cl);
   static void roots_cld_do(CLDClosure* strong, CLDClosure* weak);
   static void keep_alive_cld_do(CLDClosure* cl);
   static void always_strong_cld_do(CLDClosure* cl);
   // klass do
   static void classes_do(KlassClosure* klass_closure);

@@ -126,10 +128,12 @@
 
 // ClassLoaderData class
 
 class ClassLoaderData : public CHeapObj<mtClass> {
   friend class VMStructs;
+  friend class CLDClaimContext;
+  friend class CLDClaimStateClosure;
  private:
   class Dependencies VALUE_OBJ_CLASS_SPEC {
     objArrayOop _list_head;
     void locked_add(objArrayHandle last,
                     objArrayHandle new_dependency,

@@ -211,10 +215,12 @@
   // ReadOnly and ReadWrite metaspaces (static because only on the null
   // class loader for now).
   static Metaspace* _ro_metaspace;
   static Metaspace* _rw_metaspace;
 
+  TRACE_DEFINE_TRACE_ID_FIELD;
+
   void set_next(ClassLoaderData* next) { _next = next; }
   ClassLoaderData* next() const        { return _next; }
 
   ClassLoaderData(Handle h_class_loader, bool is_anonymous, Dependencies dependencies);
   ~ClassLoaderData();

@@ -323,10 +329,12 @@
 
   // CDS support
   Metaspace* ro_metaspace();
   Metaspace* rw_metaspace();
   void initialize_shared_metaspaces();
+
+  TRACE_DEFINE_TRACE_ID_METHODS;
 };
 
 // An iterator that distributes Klasses to parallel worker threads.
 class ClassLoaderDataGraphKlassIteratorAtomic : public StackObj {
  Klass* volatile _next_klass;