aoqi@0: /*
aoqi@0:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
aoqi@0: #include "gc_implementation/g1/g1OopClosures.inline.hpp"
tschatzl@6939: #include "gc_implementation/g1/g1ParScanThreadState.hpp"
aoqi@0: 
aoqi@0: G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1,  G1ParScanThreadState* par_scan_state) :
aoqi@0:   G1ParClosureSuper(g1, par_scan_state), _scanned_klass(NULL),
aoqi@0:   _cm(_g1->concurrent_mark()) {}
tschatzl@6937: 
tschatzl@6939: G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1) :
tschatzl@6939:   _g1(g1), _par_scan_state(NULL), _worker_id(UINT_MAX) { }
tschatzl@6939: 
tschatzl@6937: G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) :
tschatzl@6939:   _g1(g1), _par_scan_state(NULL),
tschatzl@6939:   _worker_id(UINT_MAX) {
tschatzl@6939:   set_par_scan_thread_state(par_scan_state);
tschatzl@6939: }
tschatzl@6939: 
tschatzl@6939: void G1ParClosureSuper::set_par_scan_thread_state(G1ParScanThreadState* par_scan_state) {
tschatzl@6939:   assert(_par_scan_state == NULL, "_par_scan_state must only be set once");
tschatzl@6939:   assert(par_scan_state != NULL, "Must set par_scan_state to non-NULL.");
tschatzl@6939: 
tschatzl@6939:   _par_scan_state = par_scan_state;
tschatzl@6939:   _worker_id = par_scan_state->queue_num();
tschatzl@6939: 
tschatzl@6939:   assert(_worker_id < MAX2((uint)ParallelGCThreads, 1u),
tschatzl@6939:          err_msg("The given worker id %u must be less than the number of threads %u", _worker_id, MAX2((uint)ParallelGCThreads, 1u)));
tschatzl@6939: }