8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHSHAREDVARIABLES_HPP
25 #define SHARE_GC_SHENANDOAH_SHENANDOAHSHAREDVARIABLES_HPP
26
27 #include "memory/allocation.hpp"
28 #include "runtime/orderAccess.hpp"
29
30 typedef jbyte ShenandoahSharedValue;
31
32 // Needed for cooperation with generated code.
33 STATIC_ASSERT(sizeof(ShenandoahSharedValue) == 1);
34
35 typedef struct ShenandoahSharedFlag {
36 enum {
37 UNSET = 0,
38 SET = 1
39 };
40
41 DEFINE_PAD_MINUS_SIZE(0, DEFAULT_CACHE_LINE_SIZE, sizeof(volatile ShenandoahSharedValue));
42 volatile ShenandoahSharedValue value;
43 DEFINE_PAD_MINUS_SIZE(1, DEFAULT_CACHE_LINE_SIZE, 0);
44
45 ShenandoahSharedFlag() {
46 unset();
47 }
48
|
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHSHAREDVARIABLES_HPP
25 #define SHARE_GC_SHENANDOAH_SHENANDOAHSHAREDVARIABLES_HPP
26
27 #include "memory/allocation.hpp"
28 #include "runtime/atomic.hpp"
29
30 typedef jbyte ShenandoahSharedValue;
31
32 // Needed for cooperation with generated code.
33 STATIC_ASSERT(sizeof(ShenandoahSharedValue) == 1);
34
35 typedef struct ShenandoahSharedFlag {
36 enum {
37 UNSET = 0,
38 SET = 1
39 };
40
41 DEFINE_PAD_MINUS_SIZE(0, DEFAULT_CACHE_LINE_SIZE, sizeof(volatile ShenandoahSharedValue));
42 volatile ShenandoahSharedValue value;
43 DEFINE_PAD_MINUS_SIZE(1, DEFAULT_CACHE_LINE_SIZE, 0);
44
45 ShenandoahSharedFlag() {
46 unset();
47 }
48
|