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src/share/vm/gc/g1/vm_operations_g1.hpp

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rev 8362 : [mq]: hotspot


   5  * This code is free software; you can redistribute it and/or modify it
   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 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP
  27 
  28 #include "gc_implementation/g1/g1AllocationContext.hpp"
  29 #include "gc_implementation/shared/vmGCOperations.hpp"
  30 
  31 // VM_operations for the G1 collector.
  32 // VM_GC_Operation:
  33 //   - VM_CGC_Operation
  34 //   - VM_G1CollectFull
  35 //   - VM_G1OperationWithAllocRequest
  36 //     - VM_G1CollectForAllocation
  37 //     - VM_G1IncCollectionPause
  38 
  39 class VM_G1OperationWithAllocRequest : public VM_CollectForAllocation {
  40 protected:
  41   bool      _pause_succeeded;
  42   AllocationContext_t _allocation_context;
  43 
  44 public:
  45   VM_G1OperationWithAllocRequest(uint           gc_count_before,
  46                                  size_t         word_size,
  47                                  GCCause::Cause gc_cause)
  48     : VM_CollectForAllocation(word_size, gc_count_before, gc_cause),
  49       _pause_succeeded(false) {}


 105   const char* _printGCMessage;
 106   bool _needs_pll;
 107 
 108 protected:
 109   // java.lang.ref.Reference support
 110   void acquire_pending_list_lock();
 111   void release_and_notify_pending_list_lock();
 112 
 113 public:
 114   VM_CGC_Operation(VoidClosure* cl, const char *printGCMsg, bool needs_pll)
 115     : _cl(cl), _printGCMessage(printGCMsg), _needs_pll(needs_pll) { }
 116   virtual VMOp_Type type() const { return VMOp_CGC_Operation; }
 117   virtual void doit();
 118   virtual bool doit_prologue();
 119   virtual void doit_epilogue();
 120   virtual const char* name() const {
 121     return "concurrent gc";
 122   }
 123 };
 124 
 125 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP


   5  * This code is free software; you can redistribute it and/or modify it
   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 #ifndef SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
  26 #define SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
  27 
  28 #include "gc/g1/g1AllocationContext.hpp"
  29 #include "gc/shared/vmGCOperations.hpp"
  30 
  31 // VM_operations for the G1 collector.
  32 // VM_GC_Operation:
  33 //   - VM_CGC_Operation
  34 //   - VM_G1CollectFull
  35 //   - VM_G1OperationWithAllocRequest
  36 //     - VM_G1CollectForAllocation
  37 //     - VM_G1IncCollectionPause
  38 
  39 class VM_G1OperationWithAllocRequest : public VM_CollectForAllocation {
  40 protected:
  41   bool      _pause_succeeded;
  42   AllocationContext_t _allocation_context;
  43 
  44 public:
  45   VM_G1OperationWithAllocRequest(uint           gc_count_before,
  46                                  size_t         word_size,
  47                                  GCCause::Cause gc_cause)
  48     : VM_CollectForAllocation(word_size, gc_count_before, gc_cause),
  49       _pause_succeeded(false) {}


 105   const char* _printGCMessage;
 106   bool _needs_pll;
 107 
 108 protected:
 109   // java.lang.ref.Reference support
 110   void acquire_pending_list_lock();
 111   void release_and_notify_pending_list_lock();
 112 
 113 public:
 114   VM_CGC_Operation(VoidClosure* cl, const char *printGCMsg, bool needs_pll)
 115     : _cl(cl), _printGCMessage(printGCMsg), _needs_pll(needs_pll) { }
 116   virtual VMOp_Type type() const { return VMOp_CGC_Operation; }
 117   virtual void doit();
 118   virtual bool doit_prologue();
 119   virtual void doit_epilogue();
 120   virtual const char* name() const {
 121     return "concurrent gc";
 122   }
 123 };
 124 
 125 #endif // SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
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