src/share/vm/runtime/mutexLocker.cpp

rev 2029 : 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
Summary: Defer posting events from the compiler thread -- use service thread
Reviewed-by:
* * *

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2010, 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, 2011, 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.
*** 126,136 ****
  Mutex*   HotCardCache_lock            = NULL;
  
  Monitor* GCTaskManager_lock           = NULL;
  
  Mutex*   Management_lock              = NULL;
! Monitor* LowMemory_lock               = NULL;
  
  #define MAX_NUM_MUTEX 128
  static Monitor * _mutex_array[MAX_NUM_MUTEX];
  static int _num_mutex;
  
--- 126,136 ----
  Mutex*   HotCardCache_lock            = NULL;
  
  Monitor* GCTaskManager_lock           = NULL;
  
  Mutex*   Management_lock              = NULL;
! Monitor* Service_lock               = NULL;
  
  #define MAX_NUM_MUTEX 128
  static Monitor * _mutex_array[MAX_NUM_MUTEX];
  static int _num_mutex;
  
*** 199,209 ****
    def(RawMonitor_lock              , Mutex,   special,     true );
    def(OopMapCacheAlloc_lock        , Mutex,   leaf,        true ); // used for oop_map_cache allocation.
  
    def(Patching_lock                , Mutex  , special,     true ); // used for safepointing and code patching.
    def(ObjAllocPost_lock            , Monitor, special,     false);
!   def(LowMemory_lock               , Monitor, special,     true ); // used for low memory detection
    def(JmethodIdCreation_lock       , Mutex  , leaf,        true ); // used for creating jmethodIDs.
  
    def(SystemDictionary_lock        , Monitor, leaf,        true ); // lookups done by VM thread
    def(PackageTable_lock            , Mutex  , leaf,        false);
    def(InlineCacheBuffer_lock       , Mutex  , leaf,        true );
--- 199,209 ----
    def(RawMonitor_lock              , Mutex,   special,     true );
    def(OopMapCacheAlloc_lock        , Mutex,   leaf,        true ); // used for oop_map_cache allocation.
  
    def(Patching_lock                , Mutex  , special,     true ); // used for safepointing and code patching.
    def(ObjAllocPost_lock            , Monitor, special,     false);
!   def(Service_lock                 , Monitor, special,     true ); // used for service thread operations
    def(JmethodIdCreation_lock       , Mutex  , leaf,        true ); // used for creating jmethodIDs.
  
    def(SystemDictionary_lock        , Monitor, leaf,        true ); // lookups done by VM thread
    def(PackageTable_lock            , Mutex  , leaf,        false);
    def(InlineCacheBuffer_lock       , Mutex  , leaf,        true );