view src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.cpp @ 152:c70a245cad3a

6670684: 4/5 SA command universe did not print out CMS space information Summary: Forward port of Yumin's fix for 6670684 from HSX-11; Yumin verified the port was correct. Reviewed-by: dcubed
author dcubed
date Fri, 09 May 2008 08:55:13 -0700
parents a61af66fc99e
children c18cbe5936b8
line wrap: on
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/*
 * Copyright 2002-2004 Sun Microsystems, Inc.  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.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

# include "incls/_precompiled.incl"
# include "incls/_freeBlockDictionary.cpp.incl"

#ifndef PRODUCT
Mutex* FreeBlockDictionary::par_lock() const {
  return _lock;
}

void FreeBlockDictionary::set_par_lock(Mutex* lock) {
  _lock = lock;
}

void FreeBlockDictionary::verify_par_locked() const {
#ifdef ASSERT
  if (ParallelGCThreads > 0) {
    Thread* myThread = Thread::current();
    if (myThread->is_GC_task_thread()) {
      assert(par_lock() != NULL, "Should be using locking?");
      assert_lock_strong(par_lock());
    }
  }
#endif // ASSERT
}
#endif