hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp
author xlu
Mon, 06 Apr 2009 15:47:39 -0700
changeset 2526 39a58a50be35
parent 1 489c9b5090e2
child 5343 95a5c4b89273
permissions -rw-r--r--
6699669: Hotspot server leaves synchronized block with monitor in bad state Summary: Remove usage of _highest_lock field in Thread so that is_lock_owned won't depend on the correct update of that field. Reviewed-by: never, dice, acorn
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
489c9b5090e2 Initial load
duke
parents:
diff changeset
     2
 * Copyright (c) 2007 Sun Microsystems, Inc.  All Rights Reserved.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    19
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    20
 * CA 95054 USA or visit www.sun.com if you need additional information or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    21
 * have any questions.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
489c9b5090e2 Initial load
duke
parents:
diff changeset
    25
class ConcurrentMarkSweepPolicy : public TwoGenerationCollectorPolicy {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    26
 protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    27
  void initialize_generations();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    28
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
  ConcurrentMarkSweepPolicy();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
  ConcurrentMarkSweepPolicy* as_concurrent_mark_sweep_policy() { return this; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
  void initialize_gc_policy_counters();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
#if 1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
  virtual void initialize_size_policy(size_t init_eden_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
                                      size_t init_promo_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
                                      size_t init_survivor_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
  // Returns true if the incremental mode is enabled.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
  virtual bool has_soft_ended_eden();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
class ASConcurrentMarkSweepPolicy : public ConcurrentMarkSweepPolicy {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
  // Initialize the jstat counters.  This method requires a
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
  // size policy.  The size policy is expected to be created
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
  // after the generations are fully initialized so the
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
  // initialization of the counters need to be done post
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
  // the initialization of the generations.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
  void initialize_gc_policy_counters();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
  virtual CollectorPolicy::Name kind() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
    return CollectorPolicy::ASConcurrentMarkSweepPolicyKind;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    58
};