hotspot/src/share/vm/gc_implementation/g1/g1OopClosures.cpp
author drwhite
Thu, 02 Apr 2015 16:42:24 -0400
changeset 30157 e36165b16dde
parent 30150 d9c940aa42ef
child 30175 543725014c9d
permissions -rw-r--r--
8069004: Kitchensink hanged with 16Gb heap and GC pause >30 min Summary: Revert bug introduced a few months ago. Reviewed-by: brutisso, tschatzl, jmasa
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/*
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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "gc_implementation/g1/g1_specialized_oop_closures.hpp"
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#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
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#include "gc_implementation/g1/g1OopClosures.inline.hpp"
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#include "gc_implementation/g1/g1ParScanThreadState.hpp"
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#include "memory/iterator.inline.hpp"
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G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1,  G1ParScanThreadState* par_scan_state) :
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  G1ParClosureSuper(g1, par_scan_state), _scanned_klass(NULL),
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  _cm(_g1->concurrent_mark()) {}
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G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1) :
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  _g1(g1), _par_scan_state(NULL), _worker_id(UINT_MAX) { }
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G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) :
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  _g1(g1), _par_scan_state(NULL),
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  _worker_id(UINT_MAX) {
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  set_par_scan_thread_state(par_scan_state);
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}
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void G1ParClosureSuper::set_par_scan_thread_state(G1ParScanThreadState* par_scan_state) {
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  assert(_par_scan_state == NULL, "_par_scan_state must only be set once");
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  assert(par_scan_state != NULL, "Must set par_scan_state to non-NULL.");
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  _par_scan_state = par_scan_state;
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  _worker_id = par_scan_state->queue_num();
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  assert(_worker_id < MAX2((uint)ParallelGCThreads, 1u),
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         err_msg("The given worker id %u must be less than the number of threads %u", _worker_id, MAX2((uint)ParallelGCThreads, 1u)));
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}
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// Generate G1 specialized oop_oop_iterate functions.
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SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_G1(ALL_KLASS_OOP_OOP_ITERATE_DEFN)