1 /* 2 * Copyright (c) 2002, 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 */ 24 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/metablock.hpp" 32 #include "memory/metachunk.hpp" 33 #include "runtime/thread.inline.hpp" 34 #include "utilities/macros.hpp" 35 36 #ifndef PRODUCT 37 template <class Chunk> Mutex* FreeBlockDictionary<Chunk>::par_lock() const { 38 return _lock; 39 } 40 41 template <class Chunk> void FreeBlockDictionary<Chunk>::set_par_lock(Mutex* lock) { 42 _lock = lock; 43 } 44 45 template <class Chunk> void FreeBlockDictionary<Chunk>::verify_par_locked() const { 46 #ifdef ASSERT 47 if (ParallelGCThreads > 0) { 48 Thread* my_thread = Thread::current(); 49 if (my_thread->is_GC_task_thread()) { 50 assert(par_lock() != NULL, "Should be using locking?"); 51 assert_lock_strong(par_lock()); 52 } 53 } 54 #endif // ASSERT 55 } 56 #endif 57 58 template class FreeBlockDictionary<Metablock>; 59 template class FreeBlockDictionary<Metachunk>; 60 61 #if INCLUDE_ALL_GCS 62 // Explicitly instantiate for FreeChunk 63 template class FreeBlockDictionary<FreeChunk>; 64 #endif // INCLUDE_ALL_GCS