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/stringTable.hpp"
27 #include "code/nmethod.hpp"
28 #include "memory/strongRootsScope.hpp"
29 #include "runtime/thread.hpp"
30
31 MarkScope::MarkScope(bool activate) : _active(activate) {
32 if (_active) {
33 nmethod::oops_do_marking_prologue();
34 }
35 }
36
37 MarkScope::~MarkScope() {
38 if (_active) {
39 nmethod::oops_do_marking_epilogue();
40 }
41 }
42
43 StrongRootsScope::StrongRootsScope(bool activate) : MarkScope(activate) {
44 if (_active) {
45 Threads::change_thread_claim_parity();
46 // Zero the claimed high water mark in the StringTable
47 StringTable::clear_parallel_claimed_index();
48 }
|
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/stringTable.hpp"
27 #include "code/nmethod.hpp"
28 #include "gc/shared/strongRootsScope.hpp"
29 #include "runtime/thread.hpp"
30
31 MarkScope::MarkScope(bool activate) : _active(activate) {
32 if (_active) {
33 nmethod::oops_do_marking_prologue();
34 }
35 }
36
37 MarkScope::~MarkScope() {
38 if (_active) {
39 nmethod::oops_do_marking_epilogue();
40 }
41 }
42
43 StrongRootsScope::StrongRootsScope(bool activate) : MarkScope(activate) {
44 if (_active) {
45 Threads::change_thread_claim_parity();
46 // Zero the claimed high water mark in the StringTable
47 StringTable::clear_parallel_claimed_index();
48 }
|