5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/g1/g1FullGCMarker.inline.hpp"
26 #include "gc/shared/referenceProcessor.hpp"
27 #include "memory/iterator.inline.hpp"
28
29 G1FullGCMarker::G1FullGCMarker(uint worker_id, PreservedMarks* preserved_stack, G1CMBitMap* bitmap) :
30 _worker_id(worker_id),
31 _bitmap(bitmap),
32 _oop_stack(),
33 _objarray_stack(),
34 _preserved_stack(preserved_stack),
35 _mark_closure(worker_id, this, G1CollectedHeap::heap()->ref_processor_stw()),
36 _verify_closure(VerifyOption_G1UseFullMarking),
37 _stack_closure(this),
38 _cld_closure(mark_closure()) {
39 _oop_stack.initialize();
40 _objarray_stack.initialize();
41 }
42
43 G1FullGCMarker::~G1FullGCMarker() {
44 assert(is_empty(), "Must be empty at this point");
45 }
46
47 void G1FullGCMarker::complete_marking(OopQueueSet* oop_stacks,
48 ObjArrayTaskQueueSet* array_stacks,
49 ParallelTaskTerminator* terminator) {
50 do {
51 drain_stack();
52 ObjArrayTask steal_array;
53 if (array_stacks->steal(_worker_id, steal_array)) {
54 follow_array_chunk(objArrayOop(steal_array.obj()), steal_array.index());
55 } else {
56 oop steal_oop;
57 if (oop_stacks->steal(_worker_id, steal_oop)) {
|
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/classLoaderData.hpp"
26 #include "gc/g1/g1FullGCMarker.inline.hpp"
27 #include "gc/shared/referenceProcessor.hpp"
28 #include "memory/iterator.inline.hpp"
29
30 G1FullGCMarker::G1FullGCMarker(uint worker_id, PreservedMarks* preserved_stack, G1CMBitMap* bitmap) :
31 _worker_id(worker_id),
32 _bitmap(bitmap),
33 _oop_stack(),
34 _objarray_stack(),
35 _preserved_stack(preserved_stack),
36 _mark_closure(worker_id, this, G1CollectedHeap::heap()->ref_processor_stw()),
37 _verify_closure(VerifyOption_G1UseFullMarking),
38 _stack_closure(this),
39 _cld_closure(mark_closure(), ClassLoaderData::_claim_value_strong) {
40 _oop_stack.initialize();
41 _objarray_stack.initialize();
42 }
43
44 G1FullGCMarker::~G1FullGCMarker() {
45 assert(is_empty(), "Must be empty at this point");
46 }
47
48 void G1FullGCMarker::complete_marking(OopQueueSet* oop_stacks,
49 ObjArrayTaskQueueSet* array_stacks,
50 ParallelTaskTerminator* terminator) {
51 do {
52 drain_stack();
53 ObjArrayTask steal_array;
54 if (array_stacks->steal(_worker_id, steal_array)) {
55 follow_array_chunk(objArrayOop(steal_array.obj()), steal_array.index());
56 } else {
57 oop steal_oop;
58 if (oop_stacks->steal(_worker_id, steal_oop)) {
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