1 /*
   2  * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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 #include "incls/_precompiled.incl"
  26 #include "incls/_mutexLocker.cpp.incl"












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

   1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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 #include "precompiled.hpp"
  26 #include "runtime/mutexLocker.hpp"
  27 #include "runtime/safepoint.hpp"
  28 #include "runtime/threadLocalStorage.hpp"
  29 #include "runtime/vmThread.hpp"
  30 #ifdef TARGET_OS_FAMILY_linux
  31 # include "thread_linux.inline.hpp"
  32 #endif
  33 #ifdef TARGET_OS_FAMILY_solaris
  34 # include "thread_solaris.inline.hpp"
  35 #endif
  36 #ifdef TARGET_OS_FAMILY_windows
  37 # include "thread_windows.inline.hpp"
  38 #endif
  39 
  40 // Mutexes used in the VM (see comment in mutexLocker.hpp):
  41 //
  42 // Note that the following pointers are effectively final -- after having been
  43 // set at JVM startup-time, they should never be subsequently mutated.
  44 // Instead of using pointers to malloc()ed monitors and mutexes we should consider
  45 // eliminating the indirection and using instances instead.
  46 // Consider using GCC's __read_mostly.
  47 
  48 Mutex*   Patching_lock                = NULL;
  49 Monitor* SystemDictionary_lock        = NULL;
  50 Mutex*   PackageTable_lock            = NULL;
  51 Mutex*   CompiledIC_lock              = NULL;
  52 Mutex*   InlineCacheBuffer_lock       = NULL;
  53 Mutex*   VMStatistic_lock             = NULL;
  54 Mutex*   JNIGlobalHandle_lock         = NULL;
  55 Mutex*   JNIHandleBlockFreeList_lock  = NULL;
  56 Mutex*   JNICachedItableIndex_lock    = NULL;
  57 Mutex*   JmethodIdCreation_lock       = NULL;
  58 Mutex*   JfieldIdCreation_lock        = NULL;