| /* |
| * 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. |
| * |
| */ |
| |
| // Trim our work_queue so its length is below max at return |
| inline void Par_MarkRefsIntoAndScanClosure::trim_queue(uint max) { |
| while (_work_queue->size() > max) { |
| oop newOop; |
| if (_work_queue->pop_local(newOop)) { |
| assert(newOop->is_oop(), "Expected an oop"); |
| assert(_bit_map->isMarked((HeapWord*)newOop), |
| "only grey objects on this stack"); |
| // iterate over the oops in this oop, marking and pushing |
| // the ones in CMS heap (i.e. in _span). |
| newOop->oop_iterate(&_par_pushAndMarkClosure); |
| } |
| } |
| } |
| |
| inline void PushOrMarkClosure::remember_klass(Klass* k) { |
| if (!_revisitStack->push(oop(k))) { |
| fatal("Revisit stack overflow in PushOrMarkClosure"); |
| } |
| } |
| |
| inline void Par_PushOrMarkClosure::remember_klass(Klass* k) { |
| if (!_revisit_stack->par_push(oop(k))) { |
| fatal("Revisit stack overflow in PushOrMarkClosure"); |
| } |
| } |
| |
| inline void PushOrMarkClosure::do_yield_check() { |
| _parent->do_yield_check(); |
| } |
| |
| inline void Par_PushOrMarkClosure::do_yield_check() { |
| _parent->do_yield_check(); |
| } |