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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHEVACOOMHANDLER_INLINE_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHEVACOOMHANDLER_INLINE_HPP
27
28 #include "gc/shenandoah/shenandoahEvacOOMHandler.hpp"
29
30 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
31 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
32 #include "runtime/atomic.hpp"
33
34 jint ShenandoahEvacOOMCounter::load_acquire() {
35 return Atomic::load_acquire(&_bits);
36 }
37
38 jint ShenandoahEvacOOMCounter::unmasked_count() {
39 return Atomic::load_acquire(&_bits) & ~OOM_MARKER_MASK;
40 }
41
42 void ShenandoahEvacOOMHandler::enter_evacuation(Thread* thr) {
43 uint8_t level = ShenandoahThreadLocalData::push_evac_oom_scope(thr);
44 if (level == 0) {
45 // Entering top level scope, register this thread.
46 register_thread(thr);
47 } else if (!ShenandoahThreadLocalData::is_oom_during_evac(thr)) {
48 ShenandoahEvacOOMCounter* counter = counter_for_thread(thr);
49 jint threads_in_evac = counter->load_acquire();
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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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHEVACOOMHANDLER_INLINE_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHEVACOOMHANDLER_INLINE_HPP
27
28 #include "gc/shenandoah/shenandoahEvacOOMHandler.hpp"
29 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
30 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
31 #include "runtime/atomic.hpp"
32
33 jint ShenandoahEvacOOMCounter::load_acquire() {
34 return Atomic::load_acquire(&_bits);
35 }
36
37 jint ShenandoahEvacOOMCounter::unmasked_count() {
38 return Atomic::load_acquire(&_bits) & ~OOM_MARKER_MASK;
39 }
40
41 void ShenandoahEvacOOMHandler::enter_evacuation(Thread* thr) {
42 uint8_t level = ShenandoahThreadLocalData::push_evac_oom_scope(thr);
43 if (level == 0) {
44 // Entering top level scope, register this thread.
45 register_thread(thr);
46 } else if (!ShenandoahThreadLocalData::is_oom_during_evac(thr)) {
47 ShenandoahEvacOOMCounter* counter = counter_for_thread(thr);
48 jint threads_in_evac = counter->load_acquire();
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