Mercurial > hg > graal-compiler
diff src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,99 @@ +/* + * Copyright 2002-2007 Sun Microsystems, Inc. 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. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// Forward declarations of classes defined here. +class GCTaskThread; +class GCTaskTimeStamp; + +// Declarations of classes referenced in this file via pointer. +class GCTaskManager; + +class GCTaskThread : public WorkerThread { +private: + // Instance state. + GCTaskManager* _manager; // Manager for worker. + const uint _processor_id; // Which processor the worker is on. + + GCTaskTimeStamp* _time_stamps; + uint _time_stamp_index; + + GCTaskTimeStamp* time_stamp_at(uint index); + + public: + // Factory create and destroy methods. + static GCTaskThread* create(GCTaskManager* manager, + uint which, + uint processor_id) { + return new GCTaskThread(manager, which, processor_id); + } + static void destroy(GCTaskThread* manager) { + if (manager != NULL) { + delete manager; + } + } + // Methods from Thread. + bool is_GC_task_thread() const { + return true; + } + virtual void run(); + // Methods. + void start(); + + void print_task_time_stamps(); + void print_on(outputStream* st) const; + void print() const { print_on(tty); } + +protected: + // Constructor. Clients use factory, but there could be subclasses. + GCTaskThread(GCTaskManager* manager, uint which, uint processor_id); + // Destructor: virtual destructor because of virtual methods. + virtual ~GCTaskThread(); + // Accessors. + GCTaskManager* manager() const { + return _manager; + } + uint which() const { + return id(); + } + uint processor_id() const { + return _processor_id; + } +}; + +class GCTaskTimeStamp : public CHeapObj +{ + private: + jlong _entry_time; + jlong _exit_time; + char* _name; + + public: + jlong entry_time() { return _entry_time; } + jlong exit_time() { return _exit_time; } + const char* name() const { return (const char*)_name; } + + void set_entry_time(jlong time) { _entry_time = time; } + void set_exit_time(jlong time) { _exit_time = time; } + void set_name(char* name) { _name = name; } +};