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src/share/vm/runtime/mutexLocker.cpp

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  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 "runtime/mutexLocker.hpp"
  27 #include "runtime/os.inline.hpp"
  28 #include "runtime/safepoint.hpp"
  29 #include "runtime/thread.inline.hpp"
  30 #include "runtime/threadLocalStorage.hpp"
  31 #include "runtime/vmThread.hpp"
  32 
  33 // Mutexes used in the VM (see comment in mutexLocker.hpp):
  34 //
  35 // Note that the following pointers are effectively final -- after having been
  36 // set at JVM startup-time, they should never be subsequently mutated.
  37 // Instead of using pointers to malloc()ed monitors and mutexes we should consider
  38 // eliminating the indirection and using instances instead.
  39 // Consider using GCC's __read_mostly.
  40 
  41 Mutex*   Patching_lock                = NULL;
  42 Monitor* SystemDictionary_lock        = NULL;
  43 Mutex*   PackageTable_lock            = NULL;
  44 Mutex*   CompiledIC_lock              = NULL;
  45 Mutex*   InlineCacheBuffer_lock       = NULL;
  46 Mutex*   VMStatistic_lock             = NULL;
  47 Mutex*   JNIGlobalHandle_lock         = NULL;
  48 Mutex*   JNIHandleBlockFreeList_lock  = NULL;
  49 Mutex*   MemberNameTable_lock         = NULL;
  50 Mutex*   JmethodIdCreation_lock       = NULL;




  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 "runtime/mutexLocker.hpp"
  27 #include "runtime/os.inline.hpp"
  28 #include "runtime/safepoint.hpp"
  29 #include "runtime/thread.inline.hpp"

  30 #include "runtime/vmThread.hpp"
  31 
  32 // Mutexes used in the VM (see comment in mutexLocker.hpp):
  33 //
  34 // Note that the following pointers are effectively final -- after having been
  35 // set at JVM startup-time, they should never be subsequently mutated.
  36 // Instead of using pointers to malloc()ed monitors and mutexes we should consider
  37 // eliminating the indirection and using instances instead.
  38 // Consider using GCC's __read_mostly.
  39 
  40 Mutex*   Patching_lock                = NULL;
  41 Monitor* SystemDictionary_lock        = NULL;
  42 Mutex*   PackageTable_lock            = NULL;
  43 Mutex*   CompiledIC_lock              = NULL;
  44 Mutex*   InlineCacheBuffer_lock       = NULL;
  45 Mutex*   VMStatistic_lock             = NULL;
  46 Mutex*   JNIGlobalHandle_lock         = NULL;
  47 Mutex*   JNIHandleBlockFreeList_lock  = NULL;
  48 Mutex*   MemberNameTable_lock         = NULL;
  49 Mutex*   JmethodIdCreation_lock       = NULL;


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