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src/share/vm/gc/g1/satbQueue.cpp

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rev 8362 : 8079792: GC directory structure cleanup
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   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 #include "precompiled.hpp"
  26 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  27 #include "gc_implementation/g1/satbQueue.hpp"
  28 #include "gc_interface/collectedHeap.hpp"
  29 #include "memory/allocation.inline.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/mutexLocker.hpp"
  32 #include "runtime/safepoint.hpp"
  33 #include "runtime/thread.hpp"
  34 #include "runtime/vmThread.hpp"
  35 
  36 void ObjPtrQueue::flush() {
  37   // Filter now to possibly save work later.  If filtering empties the
  38   // buffer then flush_impl can deallocate the buffer.
  39   filter();
  40   flush_impl();
  41 }
  42 
  43 // Return true if a SATB buffer entry refers to an object that
  44 // requires marking.
  45 //
  46 // The entry must point into the G1 heap.  In particular, it must not
  47 // be a NULL pointer.  NULL pointers are pre-filtered and never
  48 // inserted into a SATB buffer.




   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   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 #include "precompiled.hpp"
  26 #include "gc/g1/g1CollectedHeap.inline.hpp"
  27 #include "gc/g1/satbQueue.hpp"
  28 #include "gc/shared/collectedHeap.hpp"
  29 #include "memory/allocation.inline.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/mutexLocker.hpp"
  32 #include "runtime/safepoint.hpp"
  33 #include "runtime/thread.hpp"
  34 #include "runtime/vmThread.hpp"
  35 
  36 void ObjPtrQueue::flush() {
  37   // Filter now to possibly save work later.  If filtering empties the
  38   // buffer then flush_impl can deallocate the buffer.
  39   filter();
  40   flush_impl();
  41 }
  42 
  43 // Return true if a SATB buffer entry refers to an object that
  44 // requires marking.
  45 //
  46 // The entry must point into the G1 heap.  In particular, it must not
  47 // be a NULL pointer.  NULL pointers are pre-filtered and never
  48 // inserted into a SATB buffer.


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