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 #ifndef SHARE_GC_Z_ZMARKTERMINATE_HPP
25 #define SHARE_GC_Z_ZMARKTERMINATE_HPP
26
27 #include "memory/allocation.hpp"
28 #include "utilities/globalDefinitions.hpp"
29
30 class ZMarkTerminate VALUE_OBJ_CLASS_SPEC {
31 private:
32 uint _nworkers;
33 volatile uint _nworking_stage0 ATTRIBUTE_ALIGNED(DEFAULT_CACHE_LINE_SIZE);
34 volatile uint _nworking_stage1;
35
36 bool enter_stage(volatile uint* nworking_stage);
37 void exit_stage(volatile uint* nworking_stage);
38 bool try_exit_stage(volatile uint* nworking_stage);
39
40 public:
41 ZMarkTerminate();
42
43 void reset(uint nworkers);
44
45 bool enter_stage0();
46 void exit_stage0();
47 bool try_exit_stage0();
48
49 bool enter_stage1();
50 bool try_exit_stage1();
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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 #ifndef SHARE_GC_Z_ZMARKTERMINATE_HPP
25 #define SHARE_GC_Z_ZMARKTERMINATE_HPP
26
27 #include "memory/allocation.hpp"
28 #include "utilities/globalDefinitions.hpp"
29
30 class ZMarkTerminate {
31 private:
32 uint _nworkers;
33 volatile uint _nworking_stage0 ATTRIBUTE_ALIGNED(DEFAULT_CACHE_LINE_SIZE);
34 volatile uint _nworking_stage1;
35
36 bool enter_stage(volatile uint* nworking_stage);
37 void exit_stage(volatile uint* nworking_stage);
38 bool try_exit_stage(volatile uint* nworking_stage);
39
40 public:
41 ZMarkTerminate();
42
43 void reset(uint nworkers);
44
45 bool enter_stage0();
46 void exit_stage0();
47 bool try_exit_stage0();
48
49 bool enter_stage1();
50 bool try_exit_stage1();
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