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 #ifndef SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP 26 #define SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP 27 28 #include "memory/allocation.hpp" 29 30 class MarkScope : public StackObj { 31 protected: 32 bool _active; 33 public: 34 MarkScope(bool activate = true); 35 ~MarkScope(); 36 }; 37 38 // Sets up and tears down the required state for parallel root processing. 39 40 class StrongRootsScope : public MarkScope { 41 public: 42 StrongRootsScope(bool activate = true); 43 ~StrongRootsScope(); 44 }; 45 46 #endif // SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP | 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 #ifndef SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP 26 #define SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP 27 28 #include "memory/allocation.hpp" 29 30 class MarkScope : public StackObj { 31 public: 32 MarkScope(); 33 ~MarkScope(); 34 }; 35 36 // Sets up and tears down the required state for parallel root processing. 37 38 class StrongRootsScope : public MarkScope { 39 // Number of threads participating in the roots processing. 40 const uint _n_threads; 41 42 public: 43 StrongRootsScope(uint n_threads); 44 ~StrongRootsScope(); 45 46 uint n_threads() const { return _n_threads; } 47 }; 48 49 #endif // SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP |