src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.hpp

Sat, 01 Sep 2012 13:25:18 -0400

author
coleenp
date
Sat, 01 Sep 2012 13:25:18 -0400
changeset 4037
da91efe96a93
parent 2971
c9ca3f51cf41
child 6876
710a3c8b516e
child 7686
fb69749583e8
permissions
-rw-r--r--

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

     1 /*
     2  * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP
    26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP
    28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
    29 #include "gc_implementation/shared/vmGCOperations.hpp"
    30 #include "gc_interface/gcCause.hpp"
    32 class VM_ParallelGCFailedAllocation: public VM_GC_Operation {
    33  private:
    34   size_t    _size;
    35   HeapWord* _result;
    37  public:
    38   VM_ParallelGCFailedAllocation(size_t size, unsigned int gc_count);
    40   virtual VMOp_Type type() const {
    41     return VMOp_ParallelGCFailedAllocation;
    42   }
    43   virtual void doit();
    45   HeapWord* result() const       { return _result; }
    46 };
    48 class VM_ParallelGCSystemGC: public VM_GC_Operation {
    49  public:
    50   VM_ParallelGCSystemGC(unsigned int gc_count, unsigned int full_gc_count,
    51                         GCCause::Cause gc_cause);
    52   virtual VMOp_Type type() const { return VMOp_ParallelGCSystemGC; }
    53   virtual void doit();
    54 };
    56 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP

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