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 "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
  27 #include "gc_implementation/g1/heapRegion.hpp"
  28 #include "gc_implementation/g1/satbQueue.hpp"
  29 #include "runtime/mutexLocker.hpp"
  30 #include "runtime/thread.hpp"
  31 #ifdef TARGET_OS_FAMILY_linux
  32 # include "thread_linux.inline.hpp"
  33 #endif
  34 #ifdef TARGET_OS_FAMILY_solaris
  35 # include "thread_solaris.inline.hpp"
  36 #endif
  37 #ifdef TARGET_OS_FAMILY_windows
  38 # include "thread_windows.inline.hpp"
  39 #endif
  40 #ifdef TARGET_OS_FAMILY_bsd
  41 # include "thread_bsd.inline.hpp"
  42 #endif
  43 
  44 G1SATBCardTableModRefBS::G1SATBCardTableModRefBS(MemRegion whole_heap,
  45                                                  int max_covered_regions) :
  46     CardTableModRefBSForCTRS(whole_heap, max_covered_regions)
  47 {
  48   _kind = G1SATBCT;
  49 }
  50 
  51 
  52 void G1SATBCardTableModRefBS::enqueue(oop pre_val) {
  53   // Nulls should have been already filtered.
  54   assert(pre_val->is_oop(true), "Error");
  55 
  56   if (!JavaThread::satb_mark_queue_set().is_active()) return;
  57   Thread* thr = Thread::current();
  58   if (thr->is_Java_thread()) {
  59     JavaThread* jt = (JavaThread*)thr;
  60     jt->satb_mark_queue().enqueue(pre_val);
  61   } else {
  62     MutexLocker x(Shared_SATB_Q_lock);

  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 "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
  27 #include "gc_implementation/g1/heapRegion.hpp"
  28 #include "gc_implementation/g1/satbQueue.hpp"
  29 #include "runtime/mutexLocker.hpp"
  30 #include "runtime/thread.inline.hpp"












  31 
  32 G1SATBCardTableModRefBS::G1SATBCardTableModRefBS(MemRegion whole_heap,
  33                                                  int max_covered_regions) :
  34     CardTableModRefBSForCTRS(whole_heap, max_covered_regions)
  35 {
  36   _kind = G1SATBCT;
  37 }
  38 
  39 
  40 void G1SATBCardTableModRefBS::enqueue(oop pre_val) {
  41   // Nulls should have been already filtered.
  42   assert(pre_val->is_oop(true), "Error");
  43 
  44   if (!JavaThread::satb_mark_queue_set().is_active()) return;
  45   Thread* thr = Thread::current();
  46   if (thr->is_Java_thread()) {
  47     JavaThread* jt = (JavaThread*)thr;
  48     jt->satb_mark_queue().enqueue(pre_val);
  49   } else {
  50     MutexLocker x(Shared_SATB_Q_lock);