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 #ifndef SHARE_VM_MEMORY_FREELIST_HPP
  26 #define SHARE_VM_MEMORY_FREELIST_HPP
  27 
  28 #include "gc/cms/allocationStats.hpp"
  29 
  30 class CompactibleFreeListSpace;
  31 
  32 // A class for maintaining a free list of Chunk's.  The FreeList
  33 // maintains a the structure of the list (head, tail, etc.) plus
  34 // statistics for allocations from the list.  The links between items
  35 // are not part of FreeList.  The statistics are
  36 // used to make decisions about coalescing Chunk's when they
  37 // are swept during collection.
  38 //
  39 // See the corresponding .cpp file for a description of the specifics
  40 // for that implementation.
  41 
  42 class Mutex;
  43 
  44 template <class Chunk_t>
  45 class FreeList VALUE_OBJ_CLASS_SPEC {
  46   friend class CompactibleFreeListSpace;
  47   friend class VMStructs;
  48 
  49  private:

   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 #ifndef SHARE_VM_MEMORY_FREELIST_HPP
  26 #define SHARE_VM_MEMORY_FREELIST_HPP
  27 


  28 class CompactibleFreeListSpace;
  29 
  30 // A class for maintaining a free list of Chunk's.  The FreeList
  31 // maintains a the structure of the list (head, tail, etc.) plus
  32 // statistics for allocations from the list.  The links between items
  33 // are not part of FreeList.  The statistics are
  34 // used to make decisions about coalescing Chunk's when they
  35 // are swept during collection.
  36 //
  37 // See the corresponding .cpp file for a description of the specifics
  38 // for that implementation.
  39 
  40 class Mutex;
  41 
  42 template <class Chunk_t>
  43 class FreeList VALUE_OBJ_CLASS_SPEC {
  44   friend class CompactibleFreeListSpace;
  45   friend class VMStructs;
  46 
  47  private: