1 /*

     2  * Copyright (c) 2002, 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/freeBlockDictionary.hpp"

    27 #ifdef TARGET_OS_FAMILY_linux

    28 # include "thread_linux.inline.hpp"

    29 #endif

    30 #ifdef TARGET_OS_FAMILY_solaris

    31 # include "thread_solaris.inline.hpp"

    32 #endif

    33 #ifdef TARGET_OS_FAMILY_windows

    34 # include "thread_windows.inline.hpp"

    35 #endif

    36 #ifdef TARGET_OS_FAMILY_bsd

    37 # include "thread_bsd.inline.hpp"

    38 #endif

    39 

    40 #ifndef PRODUCT

    41 Mutex* FreeBlockDictionary::par_lock() const {

    42   return _lock;

    43 }

    44 

    45 void FreeBlockDictionary::set_par_lock(Mutex* lock) {

    46   _lock = lock;

    47 }

    48 

    49 void FreeBlockDictionary::verify_par_locked() const {

    50 #ifdef ASSERT

    51   if (ParallelGCThreads > 0) {

    52     Thread* myThread = Thread::current();

    53     if (myThread->is_GC_task_thread()) {

    54       assert(par_lock() != NULL, "Should be using locking?");

    55       assert_lock_strong(par_lock());

    56     }

    57   }

    58 #endif // ASSERT

    59 }

    60 #endif