src/share/vm/memory/freeBlockDictionary.cpp

Tue, 16 Feb 2016 21:42:29 +0000

author
poonam
date
Tue, 16 Feb 2016 21:42:29 +0000
changeset 8308
6acf14e730dd
parent 6198
55fb97c4c58d
child 6876
710a3c8b516e
permissions
-rw-r--r--

8072725: Provide more granular levels for GC verification
Summary: Add option VerifySubSet to selectively verify the memory sub-systems
Reviewed-by: kevinw, jmasa

     1 /*
     2  * Copyright (c) 2002, 2013, 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 #include "precompiled.hpp"
    26 #include "utilities/macros.hpp"
    27 #if INCLUDE_ALL_GCS
    28 #include "gc_implementation/concurrentMarkSweep/freeChunk.hpp"
    29 #endif // INCLUDE_ALL_GCS
    30 #include "memory/freeBlockDictionary.hpp"
    31 #include "memory/metachunk.hpp"
    32 #include "runtime/thread.inline.hpp"
    33 #include "utilities/macros.hpp"
    35 #ifndef PRODUCT
    36 template <class Chunk> Mutex* FreeBlockDictionary<Chunk>::par_lock() const {
    37   return _lock;
    38 }
    40 template <class Chunk> void FreeBlockDictionary<Chunk>::set_par_lock(Mutex* lock) {
    41   _lock = lock;
    42 }
    44 template <class Chunk> void FreeBlockDictionary<Chunk>::verify_par_locked() const {
    45 #ifdef ASSERT
    46   if (ParallelGCThreads > 0) {
    47     Thread* my_thread = Thread::current();
    48     if (my_thread->is_GC_task_thread()) {
    49       assert(par_lock() != NULL, "Should be using locking?");
    50       assert_lock_strong(par_lock());
    51     }
    52   }
    53 #endif // ASSERT
    54 }
    55 #endif
    57 template class FreeBlockDictionary<Metablock>;
    58 template class FreeBlockDictionary<Metachunk>;
    60 #if INCLUDE_ALL_GCS
    61 // Explicitly instantiate for FreeChunk
    62 template class FreeBlockDictionary<FreeChunk>;
    63 #endif // INCLUDE_ALL_GCS

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