Mercurial > hg > truffle
diff src/share/vm/memory/freeBlockDictionary.cpp @ 6026:9f059abe8cf2
7131629: Generalize the CMS free list code
Summary: Make the FreeChunk, FreeList, TreeList, and BinaryTreeDictionary classes usable outside CMS.
Reviewed-by: brutisso, johnc, jwilhelm
Contributed-by: coleen.phillimore@oracle.com
author | jmasa |
---|---|
date | Thu, 29 Mar 2012 19:46:24 -0700 |
parents | src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.cpp@f08d439fab8c |
children | f69a5d43dc19 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/memory/freeBlockDictionary.cpp Thu Mar 29 19:46:24 2012 -0700 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#ifndef SERIALGC +#include "gc_implementation/concurrentMarkSweep/freeChunk.hpp" +#endif // SERIALGC +#include "memory/freeBlockDictionary.hpp" +#ifdef TARGET_OS_FAMILY_linux +# include "thread_linux.inline.hpp" +#endif +#ifdef TARGET_OS_FAMILY_solaris +# include "thread_solaris.inline.hpp" +#endif +#ifdef TARGET_OS_FAMILY_windows +# include "thread_windows.inline.hpp" +#endif +#ifdef TARGET_OS_FAMILY_bsd +# include "thread_bsd.inline.hpp" +#endif + +#ifndef PRODUCT +template <class Chunk> Mutex* FreeBlockDictionary<Chunk>::par_lock() const { + return _lock; +} + +template <class Chunk> void FreeBlockDictionary<Chunk>::set_par_lock(Mutex* lock) { + _lock = lock; +} + +template <class Chunk> void FreeBlockDictionary<Chunk>::verify_par_locked() const { +#ifdef ASSERT + if (ParallelGCThreads > 0) { + Thread* myThread = Thread::current(); + if (myThread->is_GC_task_thread()) { + assert(par_lock() != NULL, "Should be using locking?"); + assert_lock_strong(par_lock()); + } + } +#endif // ASSERT +} +#endif + +#ifndef SERIALGC +// Explicitly instantiate for FreeChunk +template class FreeBlockDictionary<FreeChunk>; +#endif // SERIALGC