Mercurial > hg > truffle
view src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.cpp @ 2136:c91cc404ca46
7011940: iCMS: SIGSEGV in SweepClosure::do_already_free_chunk(FreeChunk*)+0x360
Summary: Revert a (relaxed version of the) bounds-check that was incorrectly removed in the fix for 7008136.
Reviewed-by: jmasa, johnc
author | ysr |
---|---|
date | Thu, 13 Jan 2011 11:33:56 -0800 |
parents | f95d63e2154a |
children | f08d439fab8c |
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/* * Copyright (c) 2002, 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. * * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "gc_implementation/concurrentMarkSweep/freeBlockDictionary.hpp" #ifdef TARGET_OS_FAMILY_linux # include "thread_linux.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_solaris # include "thread_solaris.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_windows # include "thread_windows.inline.hpp" #endif #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