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 "classfile/stringTable.hpp" 27 #include "memory/iterator.hpp" 28 #include "memory/strongRootsScope.hpp" 29 #include "runtime/thread.hpp" 30 31 StrongRootsScope::StrongRootsScope(bool activate) 32 : MarkScope(activate) 33 { 34 if (_active) { 35 Threads::change_thread_claim_parity(); 36 // Zero the claimed high water mark in the StringTable 37 StringTable::clear_parallel_claimed_index(); 38 } 39 } 40 41 StrongRootsScope::~StrongRootsScope() { 42 Threads::assert_all_threads_claimed(); 43 } | 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 "classfile/stringTable.hpp" 27 #include "code/nmethod.hpp" 28 #include "memory/strongRootsScope.hpp" 29 #include "runtime/thread.hpp" 30 31 MarkScope::MarkScope(bool activate) 32 : _active(activate) { 33 if (_active) { 34 nmethod::oops_do_marking_prologue(); 35 } 36 } 37 38 MarkScope::~MarkScope() { 39 if (_active) { 40 nmethod::oops_do_marking_epilogue(); 41 } 42 } 43 44 StrongRootsScope::StrongRootsScope(bool activate) 45 : MarkScope(activate) { 46 if (_active) { 47 Threads::change_thread_claim_parity(); 48 // Zero the claimed high water mark in the StringTable 49 StringTable::clear_parallel_claimed_index(); 50 } 51 } 52 53 StrongRootsScope::~StrongRootsScope() { 54 Threads::assert_all_threads_claimed(); 55 } |