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src/share/vm/memory/strongRootsScope.hpp

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  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_VM_MEMORY_STRONGROOTSSCOPE_HPP
  26 #define SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 
  30 class MarkScope : public StackObj {
  31  protected:
  32   bool _active;
  33  public:
  34   MarkScope(bool activate = true);
  35   ~MarkScope();
  36 };
  37 
  38 // Sets up and tears down the required state for parallel root processing.
  39 
  40 class StrongRootsScope : public MarkScope {



  41  public:
  42   StrongRootsScope(bool activate = true);
  43   ~StrongRootsScope();


  44 };
  45 
  46 #endif // SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP


  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_VM_MEMORY_STRONGROOTSSCOPE_HPP
  26 #define SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 
  30 class MarkScope : public StackObj {


  31  public:
  32   MarkScope();
  33   ~MarkScope();
  34 };
  35 
  36 // Sets up and tears down the required state for parallel root processing.
  37 
  38 class StrongRootsScope : public MarkScope {
  39   // Number of threads participating in the roots processing.
  40   const uint _n_threads;
  41 
  42  public:
  43   StrongRootsScope(uint n_threads);
  44   ~StrongRootsScope();
  45 
  46   uint n_threads() const { return _n_threads; }
  47 };
  48 
  49 #endif // SHARE_VM_MEMORY_STRONGROOTSSCOPE_HPP
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