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 "classfile/classLoaderData.hpp"
27 #include "gc/g1/g1FullGCMarker.inline.hpp"
28 #include "gc/shared/owstTaskTerminator.hpp"
29 #include "gc/shared/referenceProcessor.hpp"
30 #include "gc/shared/verifyOption.hpp"
31 #include "memory/iterator.inline.hpp"
32
33 G1FullGCMarker::G1FullGCMarker(uint worker_id, PreservedMarks* preserved_stack, G1CMBitMap* bitmap) :
34 _worker_id(worker_id),
35 _bitmap(bitmap),
36 _oop_stack(),
37 _objarray_stack(),
38 _preserved_stack(preserved_stack),
39 _mark_closure(worker_id, this, G1CollectedHeap::heap()->ref_processor_stw()),
40 _verify_closure(VerifyOption_G1UseFullMarking),
41 _stack_closure(this),
42 _cld_closure(mark_closure(), ClassLoaderData::_claim_strong) {
43 _oop_stack.initialize();
44 _objarray_stack.initialize();
45 }
46
47 G1FullGCMarker::~G1FullGCMarker() {
48 assert(is_empty(), "Must be empty at this point");
49 }
50
51 void G1FullGCMarker::complete_marking(OopQueueSet* oop_stacks,
52 ObjArrayTaskQueueSet* array_stacks,
53 OWSTTaskTerminator* terminator) {
54 do {
55 drain_stack();
56 ObjArrayTask steal_array;
57 if (array_stacks->steal(_worker_id, steal_array)) {
58 follow_array_chunk(objArrayOop(steal_array.obj()), steal_array.index());
59 } else {
60 oop steal_oop;
61 if (oop_stacks->steal(_worker_id, steal_oop)) {
62 follow_object(steal_oop);
63 }
64 }
65 } while (!is_empty() || !terminator->offer_termination());
66 }
|
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 "classfile/classLoaderData.hpp"
27 #include "gc/g1/g1FullGCMarker.inline.hpp"
28 #include "gc/shared/referenceProcessor.hpp"
29 #include "gc/shared/taskTerminator.hpp"
30 #include "gc/shared/verifyOption.hpp"
31 #include "memory/iterator.inline.hpp"
32
33 G1FullGCMarker::G1FullGCMarker(uint worker_id, PreservedMarks* preserved_stack, G1CMBitMap* bitmap) :
34 _worker_id(worker_id),
35 _bitmap(bitmap),
36 _oop_stack(),
37 _objarray_stack(),
38 _preserved_stack(preserved_stack),
39 _mark_closure(worker_id, this, G1CollectedHeap::heap()->ref_processor_stw()),
40 _verify_closure(VerifyOption_G1UseFullMarking),
41 _stack_closure(this),
42 _cld_closure(mark_closure(), ClassLoaderData::_claim_strong) {
43 _oop_stack.initialize();
44 _objarray_stack.initialize();
45 }
46
47 G1FullGCMarker::~G1FullGCMarker() {
48 assert(is_empty(), "Must be empty at this point");
49 }
50
51 void G1FullGCMarker::complete_marking(OopQueueSet* oop_stacks,
52 ObjArrayTaskQueueSet* array_stacks,
53 TaskTerminator* terminator) {
54 do {
55 drain_stack();
56 ObjArrayTask steal_array;
57 if (array_stacks->steal(_worker_id, steal_array)) {
58 follow_array_chunk(objArrayOop(steal_array.obj()), steal_array.index());
59 } else {
60 oop steal_oop;
61 if (oop_stacks->steal(_worker_id, steal_oop)) {
62 follow_object(steal_oop);
63 }
64 }
65 } while (!is_empty() || !terminator->offer_termination());
66 }
|