Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/gc_implementation/g1/concurrentMarkThread.hpp	Thu Jun 05 15:57:56 2008 -0700
     1.3 @@ -0,0 +1,84 @@
     1.4 +/*
     1.5 + * Copyright 2001-2007 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// The Concurrent Mark GC Thread (could be several in the future).
    1.29 +// This is copied from the Concurrent Mark Sweep GC Thread
    1.30 +// Still under construction.
    1.31 +
    1.32 +class ConcurrentMark;
    1.33 +
    1.34 +class ConcurrentMarkThread: public ConcurrentGCThread {
    1.35 +  friend class VMStructs;
    1.36 +
    1.37 +  double _vtime_start;  // Initial virtual time.
    1.38 +  double _vtime_accum;  // Accumulated virtual time.
    1.39 +
    1.40 +  double _vtime_mark_accum;
    1.41 +  double _vtime_count_accum;
    1.42 +
    1.43 + public:
    1.44 +  virtual void run();
    1.45 +
    1.46 + private:
    1.47 +  ConcurrentMark*                  _cm;
    1.48 +  bool                             _started;
    1.49 +  bool                             _in_progress;
    1.50 +
    1.51 +  void sleepBeforeNextCycle();
    1.52 +
    1.53 +  static SurrogateLockerThread*         _slt;
    1.54 +
    1.55 + public:
    1.56 +  // Constructor
    1.57 +  ConcurrentMarkThread(ConcurrentMark* cm);
    1.58 +
    1.59 +  static void makeSurrogateLockerThread(TRAPS);
    1.60 +  static SurrogateLockerThread* slt() { return _slt; }
    1.61 +
    1.62 +  // Printing
    1.63 +  void print();
    1.64 +
    1.65 +  // Total virtual time so far.
    1.66 +  double vtime_accum();
    1.67 +  // Marking virtual time so far
    1.68 +  double vtime_mark_accum();
    1.69 +  // Counting virtual time so far.
    1.70 +  double vtime_count_accum() { return _vtime_count_accum; }
    1.71 +
    1.72 +  ConcurrentMark* cm()                           { return _cm;     }
    1.73 +
    1.74 +  void            set_started()                  { _started = true;   }
    1.75 +  void            clear_started()                { _started = false;  }
    1.76 +  bool            started()                      { return _started;   }
    1.77 +
    1.78 +  void            set_in_progress()              { _in_progress = true;   }
    1.79 +  void            clear_in_progress()            { _in_progress = false;  }
    1.80 +  bool            in_progress()                  { return _in_progress;   }
    1.81 +
    1.82 +  // Yield for GC
    1.83 +  void            yield();
    1.84 +
    1.85 +  // shutdown
    1.86 +  static void stop();
    1.87 +};