jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/parallelScavenge/psTasks.hpp@f95d63e2154a

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

     1 /*

     2  * Copyright (c) 2002, 2010, 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_PSTASKS_HPP

    26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSTASKS_HPP

    28 #include "memory/allocation.hpp"

    29 #include "utilities/growableArray.hpp"

    31 //

    32 // psTasks.hpp is a collection of GCTasks used by the

    33 // parallelScavenge collector.

    34 //

    36 class GCTask;

    37 class OopClosure;

    38 class OopStack;

    39 class ObjectStartArray;

    40 class ParallelTaskTerminator;

    41 class MutableSpace;

    42 class PSOldGen;

    43 class Thread;

    44 class VMThread;

    46 //

    47 // ScavengeRootsTask

    48 //

    49 // This task scans all the roots of a given type.

    50 //

    51 //

    53 class ScavengeRootsTask : public GCTask {

    54  public:

    55   enum RootType {

    56     universe              = 1,

    57     jni_handles           = 2,

    58     threads               = 3,

    59     object_synchronizer   = 4,

    60     flat_profiler         = 5,

    61     system_dictionary     = 6,

    62     management            = 7,

    63     jvmti                 = 8,

    64     code_cache            = 9

    65   };

    66  private:

    67   RootType _root_type;

    68  public:

    69   ScavengeRootsTask(RootType value) : _root_type(value) {}

    71   char* name() { return (char *)"scavenge-roots-task"; }

    73   virtual void do_it(GCTaskManager* manager, uint which);

    74 };

    76 //

    77 // ThreadRootsTask

    78 //

    79 // This task scans the roots of a single thread. This task

    80 // enables scanning of thread roots in parallel.

    81 //

    83 class ThreadRootsTask : public GCTask {

    84  private:

    85   JavaThread* _java_thread;

    86   VMThread* _vm_thread;

    87  public:

    88   ThreadRootsTask(JavaThread* root) : _java_thread(root), _vm_thread(NULL) {}

    89   ThreadRootsTask(VMThread* root) : _java_thread(NULL), _vm_thread(root) {}

    91   char* name() { return (char *)"thread-roots-task"; }

    93   virtual void do_it(GCTaskManager* manager, uint which);

    94 };

    96 //

    97 // StealTask

    98 //

    99 // This task is used to distribute work to idle threads.

   100 //

   102 class StealTask : public GCTask {

   103  private:

   104    ParallelTaskTerminator* const _terminator;

   105  public:

   106   char* name() { return (char *)"steal-task"; }

   108   StealTask(ParallelTaskTerminator* t);

   110   ParallelTaskTerminator* terminator() { return _terminator; }

   112   virtual void do_it(GCTaskManager* manager, uint which);

   113 };

   115 //

   116 // SerialOldToYoungRootsTask

   117 //

   118 // This task is used to scan for roots in the perm gen

   120 class SerialOldToYoungRootsTask : public GCTask {

   121  private:

   122   PSOldGen* _gen;

   123   HeapWord* _gen_top;

   125  public:

   126   SerialOldToYoungRootsTask(PSOldGen *gen, HeapWord* gen_top) :

   127     _gen(gen), _gen_top(gen_top) { }

   129   char* name() { return (char *)"serial-old-to-young-roots-task"; }

   131   virtual void do_it(GCTaskManager* manager, uint which);

   132 };

   134 //

   135 // OldToYoungRootsTask

   136 //

   137 // This task is used to scan old to young roots in parallel

   139 class OldToYoungRootsTask : public GCTask {

   140  private:

   141   PSOldGen* _gen;

   142   HeapWord* _gen_top;

   143   uint _stripe_number;

   145  public:

   146   OldToYoungRootsTask(PSOldGen *gen, HeapWord* gen_top, uint stripe_number) :

   147     _gen(gen), _gen_top(gen_top), _stripe_number(stripe_number) { }

   149   char* name() { return (char *)"old-to-young-roots-task"; }

   151   virtual void do_it(GCTaskManager* manager, uint which);

   152 };

   154 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSTASKS_HPP

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

src/share/vm/gc_implementation/parallelScavenge/psTasks.hpp@f95d63e2154a

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