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 "gc/g1/g1DirtyCardQueue.hpp"
27 #include "gc/g1/g1SharedDirtyCardQueue.hpp"
28 #include "gc/shared/ptrQueue.hpp"
29 #include "runtime/mutex.hpp"
30 #include "runtime/mutexLocker.hpp"
31
32 G1SharedDirtyCardQueue::G1SharedDirtyCardQueue(G1DirtyCardQueueSet* qset) :
33 _qset(qset),
34 _buffer(NULL),
35 _index(0)
36 {}
37
38 G1SharedDirtyCardQueue::~G1SharedDirtyCardQueue() {
39 flush();
40 }
41
42 void G1SharedDirtyCardQueue::enqueue(void* card_ptr) {
43 MutexLocker ml(Shared_DirtyCardQ_lock, Mutex::_no_safepoint_check_flag);
44 if (_index == 0) {
45 flush();
46 _buffer = _qset->allocate_buffer();
47 _index = _qset->buffer_size();
48 assert(_index != 0, "invariant");
49 }
50 _buffer[--_index] = card_ptr;
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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 "gc/g1/g1DirtyCardQueue.hpp"
27 #include "gc/g1/g1SharedDirtyCardQueue.hpp"
28 #include "gc/shared/ptrQueue.hpp"
29 #include "runtime/mutex.hpp"
30 #include "runtime/mutexLocker.inline.hpp"
31
32 G1SharedDirtyCardQueue::G1SharedDirtyCardQueue(G1DirtyCardQueueSet* qset) :
33 _qset(qset),
34 _buffer(NULL),
35 _index(0)
36 {}
37
38 G1SharedDirtyCardQueue::~G1SharedDirtyCardQueue() {
39 flush();
40 }
41
42 void G1SharedDirtyCardQueue::enqueue(void* card_ptr) {
43 MutexLocker ml(Shared_DirtyCardQ_lock, Mutex::_no_safepoint_check_flag);
44 if (_index == 0) {
45 flush();
46 _buffer = _qset->allocate_buffer();
47 _index = _qset->buffer_size();
48 assert(_index != 0, "invariant");
49 }
50 _buffer[--_index] = card_ptr;
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