Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/g1/concurrentMarkThread.hpp @ 542:9a25e0c45327
6792421: assert(_bitMap->isMarked(addr+size-1),inconsistent Printezis mark)
Summary: The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.
Reviewed-by: ysr, tonyp
author | jmasa |
---|---|
date | Sat, 31 Jan 2009 00:15:00 -0800 |
parents | 37f87013dfd8 |
children | 315a5d70b295 |
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/* * Copyright 2001-2007 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. * */ // The Concurrent Mark GC Thread (could be several in the future). // This is copied from the Concurrent Mark Sweep GC Thread // Still under construction. class ConcurrentMark; class ConcurrentMarkThread: public ConcurrentGCThread { friend class VMStructs; double _vtime_start; // Initial virtual time. double _vtime_accum; // Accumulated virtual time. double _vtime_mark_accum; double _vtime_count_accum; public: virtual void run(); private: ConcurrentMark* _cm; bool _started; bool _in_progress; void sleepBeforeNextCycle(); static SurrogateLockerThread* _slt; public: // Constructor ConcurrentMarkThread(ConcurrentMark* cm); static void makeSurrogateLockerThread(TRAPS); static SurrogateLockerThread* slt() { return _slt; } // Printing void print(); // Total virtual time so far. double vtime_accum(); // Marking virtual time so far double vtime_mark_accum(); // Counting virtual time so far. double vtime_count_accum() { return _vtime_count_accum; } ConcurrentMark* cm() { return _cm; } void set_started() { _started = true; } void clear_started() { _started = false; } bool started() { return _started; } void set_in_progress() { _in_progress = true; } void clear_in_progress() { _in_progress = false; } bool in_progress() { return _in_progress; } // Yield for GC void yield(); // shutdown static void stop(); };