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 "memory/freeBlockDictionary.hpp"
  27 #include "memory/freeList.hpp"
  28 #include "memory/metablock.hpp"
  29 #include "memory/metachunk.hpp"
  30 #include "memory/sharedHeap.hpp"
  31 #include "runtime/globals.hpp"
  32 #include "runtime/mutex.hpp"
  33 #include "runtime/vmThread.hpp"
  34 #include "utilities/macros.hpp"
  35 
  36 #if INCLUDE_ALL_GCS
  37 #include "gc_implementation/concurrentMarkSweep/freeChunk.hpp"
  38 #endif // INCLUDE_ALL_GCS
  39 
  40 // Free list.  A FreeList is used to access a linked list of chunks
  41 // of space in the heap.  The head and tail are maintained so that
  42 // items can be (as in the current implementation) added at the
  43 // at the tail of the list and removed from the head of the list to
  44 // maintain a FIFO queue.
  45 
  46 template <class Chunk>
  47 FreeList<Chunk>::FreeList() :
  48   _head(NULL), _tail(NULL)

   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 "memory/freeBlockDictionary.hpp"
  27 #include "memory/freeList.hpp"

  28 #include "memory/metachunk.hpp"
  29 #include "memory/sharedHeap.hpp"
  30 #include "runtime/globals.hpp"
  31 #include "runtime/mutex.hpp"
  32 #include "runtime/vmThread.hpp"
  33 #include "utilities/macros.hpp"
  34 
  35 #if INCLUDE_ALL_GCS
  36 #include "gc_implementation/concurrentMarkSweep/freeChunk.hpp"
  37 #endif // INCLUDE_ALL_GCS
  38 
  39 // Free list.  A FreeList is used to access a linked list of chunks
  40 // of space in the heap.  The head and tail are maintained so that
  41 // items can be (as in the current implementation) added at the
  42 // at the tail of the list and removed from the head of the list to
  43 // maintain a FIFO queue.
  44 
  45 template <class Chunk>
  46 FreeList<Chunk>::FreeList() :
  47   _head(NULL), _tail(NULL)