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 "gc/shared/collectedHeap.hpp"
27 #include "memory/freeBlockDictionary.hpp"
28 #include "memory/freeList.hpp"
29 #include "memory/metachunk.hpp"
30 #include "runtime/globals.hpp"
31 #include "runtime/mutex.hpp"
32 #include "runtime/vmThread.hpp"
33 #include "utilities/macros.hpp"
34 #if INCLUDE_ALL_GCS
35 #include "gc/cms/freeChunk.hpp"
36 #endif // INCLUDE_ALL_GCS
37
38 // Free list. A FreeList is used to access a linked list of chunks
39 // of space in the heap. The head and tail are maintained so that
40 // items can be (as in the current implementation) added at the
41 // at the tail of the list and removed from the head of the list to
42 // maintain a FIFO queue.
43
44 template <class Chunk>
45 FreeList<Chunk>::FreeList() :
46 _head(NULL), _tail(NULL)
47 #ifdef ASSERT
48 , _protecting_lock(NULL)
49 #endif
50 {
51 _size = 0;
52 _count = 0;
53 }
54
55 template <class Chunk>
56 void FreeList<Chunk>::link_head(Chunk* v) {
|
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 "gc/shared/collectedHeap.hpp"
27 #include "memory/freeBlockDictionary.hpp"
28 #include "memory/freeList.hpp"
29 #include "memory/metachunk.hpp"
30 #include "runtime/globals.hpp"
31 #include "runtime/mutex.hpp"
32 #include "runtime/vmThread.hpp"
33 #include "utilities/macros.hpp"
34
35 // Free list. A FreeList is used to access a linked list of chunks
36 // of space in the heap. The head and tail are maintained so that
37 // items can be (as in the current implementation) added at the
38 // at the tail of the list and removed from the head of the list to
39 // maintain a FIFO queue.
40
41 template <class Chunk>
42 FreeList<Chunk>::FreeList() :
43 _head(NULL), _tail(NULL)
44 #ifdef ASSERT
45 , _protecting_lock(NULL)
46 #endif
47 {
48 _size = 0;
49 _count = 0;
50 }
51
52 template <class Chunk>
53 void FreeList<Chunk>::link_head(Chunk* v) {
|