duke@435: /*
mikael@4153:  * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP
stefank@2314: 
stefank@2314: #include "runtime/thread.hpp"
stefank@2314: 
duke@435: // Forward declarations of classes defined here.
duke@435: class GCTaskThread;
duke@435: class GCTaskTimeStamp;
duke@435: 
duke@435: // Declarations of classes referenced in this file via pointer.
duke@435: class GCTaskManager;
duke@435: 
duke@435: class GCTaskThread : public WorkerThread {
jmasa@3294:   friend class GCTaskManager;
duke@435: private:
duke@435:   // Instance state.
duke@435:   GCTaskManager* _manager;              // Manager for worker.
duke@435:   const uint     _processor_id;         // Which processor the worker is on.
duke@435: 
duke@435:   GCTaskTimeStamp* _time_stamps;
duke@435:   uint _time_stamp_index;
duke@435: 
duke@435:   GCTaskTimeStamp* time_stamp_at(uint index);
duke@435: 
jmasa@3294:   bool _is_working;                     // True if participating in GC tasks
jmasa@3294: 
duke@435:  public:
duke@435:   // Factory create and destroy methods.
duke@435:   static GCTaskThread* create(GCTaskManager* manager,
duke@435:                               uint           which,
duke@435:                               uint           processor_id) {
duke@435:     return new GCTaskThread(manager, which, processor_id);
duke@435:   }
duke@435:   static void destroy(GCTaskThread* manager) {
duke@435:     if (manager != NULL) {
duke@435:       delete manager;
duke@435:     }
duke@435:   }
duke@435:   // Methods from Thread.
duke@435:   bool is_GC_task_thread() const {
duke@435:     return true;
duke@435:   }
duke@435:   virtual void run();
duke@435:   // Methods.
duke@435:   void start();
duke@435: 
duke@435:   void print_task_time_stamps();
duke@435:   void print_on(outputStream* st) const;
duke@435:   void print() const                                { print_on(tty); }
duke@435: 
duke@435: protected:
duke@435:   // Constructor.  Clients use factory, but there could be subclasses.
duke@435:   GCTaskThread(GCTaskManager* manager, uint which, uint processor_id);
duke@435:   // Destructor: virtual destructor because of virtual methods.
duke@435:   virtual ~GCTaskThread();
duke@435:   // Accessors.
duke@435:   GCTaskManager* manager() const {
duke@435:     return _manager;
duke@435:   }
duke@435:   uint which() const {
duke@435:     return id();
duke@435:   }
duke@435:   uint processor_id() const {
duke@435:     return _processor_id;
duke@435:   }
jmasa@3294:   void set_is_working(bool v) { _is_working = v; }
duke@435: };
duke@435: 
zgu@3900: class GCTaskTimeStamp : public CHeapObj<mtGC>
duke@435: {
duke@435:  private:
duke@435:   jlong  _entry_time;
duke@435:   jlong  _exit_time;
duke@435:   char*  _name;
duke@435: 
duke@435:  public:
duke@435:   jlong entry_time()              { return _entry_time; }
duke@435:   jlong exit_time()               { return _exit_time; }
duke@435:   const char* name() const        { return (const char*)_name; }
duke@435: 
duke@435:   void set_entry_time(jlong time) { _entry_time = time; }
duke@435:   void set_exit_time(jlong time)  { _exit_time = time; }
duke@435:   void set_name(char* name)       { _name = name; }
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP