src/share/vm/runtime/mutexLocker.cpp

rev 6083 : 8029075: String deduplication in G1
Implementation of JEP 192, http://openjdk.java.net/jeps/192

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 56,65 ****
--- 56,67 ----
  Mutex*   AdapterHandlerLibrary_lock   = NULL;
  Mutex*   SignatureHandlerLibrary_lock = NULL;
  Mutex*   VtableStubs_lock             = NULL;
  Mutex*   SymbolTable_lock             = NULL;
  Mutex*   StringTable_lock             = NULL;
+ Monitor* StringDedupQueue_lock        = NULL;
+ Mutex*   StringDedupTable_lock        = NULL;
  Mutex*   CodeCache_lock               = NULL;
  Mutex*   MethodData_lock              = NULL;
  Mutex*   RetData_lock                 = NULL;
  Monitor* VMOperationQueue_lock        = NULL;
  Monitor* VMOperationRequest_lock      = NULL;
*** 194,203 ****
--- 196,208 ----
      def(OldSets_lock               , Mutex  , leaf     ,   true );
      def(RootRegionScan_lock        , Monitor, leaf     ,   true );
      def(MMUTracker_lock            , Mutex  , leaf     ,   true );
      def(HotCardCache_lock          , Mutex  , special  ,   true );
      def(EvacFailureStack_lock      , Mutex  , nonleaf  ,   true );
+ 
+     def(StringDedupQueue_lock      , Monitor, leaf,        true );
+     def(StringDedupTable_lock      , Mutex  , leaf,        true );
    }
    def(ParGCRareEvent_lock          , Mutex  , leaf     ,   true );
    def(DerivedPointerTableGC_lock   , Mutex,   leaf,        true );
    def(CodeCache_lock               , Mutex  , special,     true );
    def(Interrupt_lock               , Monitor, special,     true ); // used for interrupt processing