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 #ifndef SHARE_VM_MEMORY_METACHUNK_HPP
25 #define SHARE_VM_MEMORY_METACHUNK_HPP
26
27 #include "memory/allocation.hpp"
28 #include "utilities/debug.hpp"
29 #include "utilities/globalDefinitions.hpp"
30
31 class VirtualSpaceNode;
32
33 // Super class of Metablock and Metachunk to allow them to
34 // be put on the FreeList and in the BinaryTreeDictionary.
35 template <class T>
36 class Metabase {
37 size_t _word_size;
38 T* _next;
39 T* _prev;
40
41 protected:
42 Metabase(size_t word_size) : _word_size(word_size), _next(NULL), _prev(NULL) {}
43
44 public:
45 T* next() const { return _next; }
46 T* prev() const { return _prev; }
47 void set_next(T* v) { _next = v; assert(v != this, "Boom");}
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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 #ifndef SHARE_VM_MEMORY_METACHUNK_HPP
25 #define SHARE_VM_MEMORY_METACHUNK_HPP
26
27 #include "utilities/debug.hpp"
28 #include "utilities/globalDefinitions.hpp"
29
30 class VirtualSpaceNode;
31
32 // Super class of Metablock and Metachunk to allow them to
33 // be put on the FreeList and in the BinaryTreeDictionary.
34 template <class T>
35 class Metabase {
36 size_t _word_size;
37 T* _next;
38 T* _prev;
39
40 protected:
41 Metabase(size_t word_size) : _word_size(word_size), _next(NULL), _prev(NULL) {}
42
43 public:
44 T* next() const { return _next; }
45 T* prev() const { return _prev; }
46 void set_next(T* v) { _next = v; assert(v != this, "Boom");}
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