1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,76 @@
1.4 +/*
1.5 + * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP
1.29 +#define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP
1.30 +
1.31 +#include "gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp"
1.32 +#include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
1.33 +#include "oops/oop.inline.hpp"
1.34 +
1.35 +// Trim our work_queue so its length is below max at return
1.36 +inline void Par_MarkRefsIntoAndScanClosure::trim_queue(uint max) {
1.37 + while (_work_queue->size() > max) {
1.38 + oop newOop;
1.39 + if (_work_queue->pop_local(newOop)) {
1.40 + assert(newOop->is_oop(), "Expected an oop");
1.41 + assert(_bit_map->isMarked((HeapWord*)newOop),
1.42 + "only grey objects on this stack");
1.43 + // iterate over the oops in this oop, marking and pushing
1.44 + // the ones in CMS heap (i.e. in _span).
1.45 + newOop->oop_iterate(&_par_pushAndMarkClosure);
1.46 + }
1.47 + }
1.48 +}
1.49 +
1.50 +// CMSOopClosure and CMSoopsInGenClosure are duplicated,
1.51 +// until we get rid of OopsInGenClosure.
1.52 +
1.53 +inline void CMSOopClosure::do_klass(Klass* k) { do_klass_nv(k); }
1.54 +inline void CMSOopsInGenClosure::do_klass(Klass* k) { do_klass_nv(k); }
1.55 +
1.56 +inline void CMSOopClosure::do_klass_nv(Klass* k) {
1.57 + ClassLoaderData* cld = k->class_loader_data();
1.58 + do_class_loader_data(cld);
1.59 +}
1.60 +inline void CMSOopsInGenClosure::do_klass_nv(Klass* k) {
1.61 + ClassLoaderData* cld = k->class_loader_data();
1.62 + do_class_loader_data(cld);
1.63 +}
1.64 +
1.65 +inline void CMSOopClosure::do_class_loader_data(ClassLoaderData* cld) {
1.66 + assert(_klass_closure._oop_closure == this, "Must be");
1.67 +
1.68 + bool claim = true; // Must claim the class loader data before processing.
1.69 + cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim);
1.70 +}
1.71 +inline void CMSOopsInGenClosure::do_class_loader_data(ClassLoaderData* cld) {
1.72 + assert(_klass_closure._oop_closure == this, "Must be");
1.73 +
1.74 + bool claim = true; // Must claim the class loader data before processing.
1.75 + cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim);
1.76 +}
1.77 +
1.78 +
1.79 +#endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP
