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diff src/share/vm/runtime/thread.hpp @ 1119:547f81740344

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6361589: Print out stack trace for target thread of GC crash Summary: If GC crashed with java thread involved, print out the java stack trace in error report Reviewed-by: never, ysr, coleenp, dholmes
author minqi
date Fri, 11 Dec 2009 11:09:49 -0800
parents 39b01ab7035a
children 9b9c1ee9b3f6
line wrap: on
line diff
--- a/src/share/vm/runtime/thread.hpp	Wed Dec 02 20:32:27 2009 -0500
+++ b/src/share/vm/runtime/thread.hpp	Fri Dec 11 11:09:49 2009 -0800
@@ -48,7 +48,12 @@
 
 // Class hierarchy
 // - Thread
-//   - VMThread
+//   - NamedThread
+//     - VMThread
+//     - ConcurrentGCThread
+//     - WorkerThread
+//       - GangWorker
+//       - GCTaskThread
 //   - JavaThread
 //   - WatcherThread
 
@@ -249,6 +254,7 @@
   virtual bool is_GC_task_thread() const             { return false; }
   virtual bool is_Watcher_thread() const             { return false; }
   virtual bool is_ConcurrentGC_thread() const        { return false; }
+  virtual bool is_Named_thread() const               { return false; }
 
   virtual char* name() const { return (char*)"Unknown thread"; }
 
@@ -568,12 +574,18 @@
   };
  private:
   char* _name;
+  // log JavaThread being processed by oops_do
+  JavaThread* _processed_thread;
+
  public:
   NamedThread();
   ~NamedThread();
   // May only be called once per thread.
   void set_name(const char* format, ...);
+  virtual bool is_Named_thread() const { return true; }
   virtual char* name() const { return _name == NULL ? (char*)"Unknown Thread" : _name; }
+  JavaThread *processed_thread() { return _processed_thread; }
+  void set_processed_thread(JavaThread *thread) { _processed_thread = thread; }
 };
 
 // Worker threads are named and have an id of an assigned work.