1 /*
   2  * Copyright (c) 2005, 2006, 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 # include "incls/_precompiled.incl"
  25 # include "incls/_vmCMSOperations.cpp.incl"
  26 








  27 HS_DTRACE_PROBE_DECL(hs_private, cms__initmark__begin);
  28 HS_DTRACE_PROBE_DECL(hs_private, cms__initmark__end);
  29 
  30 HS_DTRACE_PROBE_DECL(hs_private, cms__remark__begin);
  31 HS_DTRACE_PROBE_DECL(hs_private, cms__remark__end);
  32 
  33 //////////////////////////////////////////////////////////
  34 // Methods in abstract class VM_CMS_Operation
  35 //////////////////////////////////////////////////////////
  36 void VM_CMS_Operation::acquire_pending_list_lock() {
  37   // The caller may block while communicating
  38   // with the SLT thread in order to acquire/release the PLL.
  39   ConcurrentMarkSweepThread::slt()->
  40     manipulatePLL(SurrogateLockerThread::acquirePLL);
  41 }
  42 
  43 void VM_CMS_Operation::release_and_notify_pending_list_lock() {
  44   // The caller may block while communicating
  45   // with the SLT thread in order to acquire/release the PLL.
  46   ConcurrentMarkSweepThread::slt()->

   1 /*
   2  * Copyright (c) 2005, 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 "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.inline.hpp"
  27 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp"
  28 #include "gc_implementation/concurrentMarkSweep/vmCMSOperations.hpp"
  29 #include "gc_implementation/shared/isGCActiveMark.hpp"
  30 #include "memory/gcLocker.inline.hpp"
  31 #include "runtime/interfaceSupport.hpp"
  32 #include "utilities/dtrace.hpp"
  33 HS_DTRACE_PROBE_DECL(hs_private, cms__initmark__begin);
  34 HS_DTRACE_PROBE_DECL(hs_private, cms__initmark__end);
  35 
  36 HS_DTRACE_PROBE_DECL(hs_private, cms__remark__begin);
  37 HS_DTRACE_PROBE_DECL(hs_private, cms__remark__end);
  38 
  39 //////////////////////////////////////////////////////////
  40 // Methods in abstract class VM_CMS_Operation
  41 //////////////////////////////////////////////////////////
  42 void VM_CMS_Operation::acquire_pending_list_lock() {
  43   // The caller may block while communicating
  44   // with the SLT thread in order to acquire/release the PLL.
  45   ConcurrentMarkSweepThread::slt()->
  46     manipulatePLL(SurrogateLockerThread::acquirePLL);
  47 }
  48 
  49 void VM_CMS_Operation::release_and_notify_pending_list_lock() {
  50   // The caller may block while communicating
  51   // with the SLT thread in order to acquire/release the PLL.
  52   ConcurrentMarkSweepThread::slt()->