Mercurial > hg > truffle
view src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.cpp @ 795:215f81b4d9b3
6841831: G1: assert(contains_reference(from),"We just added it!") fires
Summary: During parallel rset updating we have to make sure that the worker ids of the refinement threads do not intersect with the worker ids that can be claimed by the mutator threads.
Reviewed-by: tonyp
author | iveresov |
---|---|
date | Mon, 18 May 2009 11:52:46 -0700 |
parents | c0492d52d55b |
children | c18cbe5936b8 |
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/* * Copyright (c) 2007 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/_cmsPermGen.cpp.incl" CMSPermGen::CMSPermGen(ReservedSpace rs, size_t initial_byte_size, CardTableRS* ct, FreeBlockDictionary::DictionaryChoice dictionaryChoice) { CMSPermGenGen* g = new CMSPermGenGen(rs, initial_byte_size, -1, ct); if (g == NULL) { vm_exit_during_initialization("Could not allocate a CompactingPermGen"); } g->initialize_performance_counters(); _gen = g; } HeapWord* CMSPermGen::mem_allocate(size_t size) { Mutex* lock = _gen->freelistLock(); bool lock_owned = lock->owned_by_self(); if (lock_owned) { MutexUnlocker mul(lock); return mem_allocate_in_gen(size, _gen); } else { return mem_allocate_in_gen(size, _gen); } } void CMSPermGen::compute_new_size() { _gen->compute_new_size(); } void CMSPermGenGen::initialize_performance_counters() { const char* gen_name = "perm"; // Generation Counters - generation 2, 1 subspace _gen_counters = new GenerationCounters(gen_name, 2, 1, &_virtual_space); _gc_counters = NULL; _space_counters = new GSpaceCounters(gen_name, 0, _virtual_space.reserved_size(), this, _gen_counters); }