| /* |
| * Copyright (c) 2014, 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/g1/g1CollectedHeap.inline.hpp" |
| #include "gc_implementation/g1/g1OopClosures.inline.hpp" |
| #include "gc_implementation/g1/g1ParScanThreadState.hpp" |
| |
| G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) : |
| G1ParClosureSuper(g1, par_scan_state), _scanned_klass(NULL), |
| _cm(_g1->concurrent_mark()) {} |
| |
| G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1) : |
| _g1(g1), _par_scan_state(NULL), _worker_id(UINT_MAX) { } |
| |
| G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) : |
| _g1(g1), _par_scan_state(NULL), |
| _worker_id(UINT_MAX) { |
| set_par_scan_thread_state(par_scan_state); |
| } |
| |
| void G1ParClosureSuper::set_par_scan_thread_state(G1ParScanThreadState* par_scan_state) { |
| assert(_par_scan_state == NULL, "_par_scan_state must only be set once"); |
| assert(par_scan_state != NULL, "Must set par_scan_state to non-NULL."); |
| |
| _par_scan_state = par_scan_state; |
| _worker_id = par_scan_state->queue_num(); |
| |
| assert(_worker_id < MAX2((uint)ParallelGCThreads, 1u), |
| err_msg("The given worker id %u must be less than the number of threads %u", _worker_id, MAX2((uint)ParallelGCThreads, 1u))); |
| } |