6 * under the terms of the GNU General Public License version 2 only, as
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
25 #include "precompiled.hpp"
26 #include "gc/g1/g1CollectedHeap.inline.hpp"
27 #include "gc/g1/satbMarkQueue.hpp"
28 #include "gc/shared/collectedHeap.hpp"
29 #include "memory/allocation.inline.hpp"
30 #include "oops/oop.inline.hpp"
31 #include "prims/jvm.h"
32 #include "runtime/mutexLocker.hpp"
33 #include "runtime/safepoint.hpp"
34 #include "runtime/thread.hpp"
35 #include "runtime/vmThread.hpp"
36
37 SATBMarkQueue::SATBMarkQueue(SATBMarkQueueSet* qset, bool permanent) :
38 // SATB queues are only active during marking cycles. We create
39 // them with their active field set to false. If a thread is
40 // created during a cycle and its SATB queue needs to be activated
41 // before the thread starts running, we'll need to set its active
42 // field to true. This is done in JavaThread::initialize_queues().
43 PtrQueue(qset, permanent, false /* active */)
44 { }
45
46 void SATBMarkQueue::flush() {
47 // Filter now to possibly save work later. If filtering empties the
48 // buffer then flush_impl can deallocate the buffer.
49 filter();
50 flush_impl();
51 }
|
6 * under the terms of the GNU General Public License version 2 only, as
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
25 #include "precompiled.hpp"
26 #include "jvm.h"
27 #include "gc/g1/g1CollectedHeap.inline.hpp"
28 #include "gc/g1/satbMarkQueue.hpp"
29 #include "gc/shared/collectedHeap.hpp"
30 #include "memory/allocation.inline.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/mutexLocker.hpp"
33 #include "runtime/safepoint.hpp"
34 #include "runtime/thread.hpp"
35 #include "runtime/vmThread.hpp"
36
37 SATBMarkQueue::SATBMarkQueue(SATBMarkQueueSet* qset, bool permanent) :
38 // SATB queues are only active during marking cycles. We create
39 // them with their active field set to false. If a thread is
40 // created during a cycle and its SATB queue needs to be activated
41 // before the thread starts running, we'll need to set its active
42 // field to true. This is done in JavaThread::initialize_queues().
43 PtrQueue(qset, permanent, false /* active */)
44 { }
45
46 void SATBMarkQueue::flush() {
47 // Filter now to possibly save work later. If filtering empties the
48 // buffer then flush_impl can deallocate the buffer.
49 filter();
50 flush_impl();
51 }
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