1 /* 2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP 26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP 27 28 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp" 29 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp" 30 #include "oops/oop.inline.hpp" 31 32 // Trim our work_queue so its length is below max at return 33 inline void Par_MarkRefsIntoAndScanClosure::trim_queue(uint max) { 34 while (_work_queue->size() > max) { 35 oop newOop; 36 if (_work_queue->pop_local(newOop)) { 37 assert(newOop->is_oop(), "Expected an oop"); 38 assert(_bit_map->isMarked((HeapWord*)newOop), 39 "only grey objects on this stack"); 40 // iterate over the oops in this oop, marking and pushing 41 // the ones in CMS heap (i.e. in _span). 42 newOop->oop_iterate(&_par_pushAndMarkClosure); 43 } 44 } 45 } 46 47 // CMSOopClosure and CMSoopsInGenClosure are duplicated, 48 // until we get rid of OopsInGenClosure. 49 50 inline void CMSOopClosure::do_klass(Klass* k) { do_klass_nv(k); } 51 inline void CMSOopsInGenClosure::do_klass(Klass* k) { do_klass_nv(k); } 52 53 inline void CMSOopClosure::do_klass_nv(Klass* k) { 54 ClassLoaderData* cld = k->class_loader_data(); 55 do_class_loader_data(cld); 56 } 57 inline void CMSOopsInGenClosure::do_klass_nv(Klass* k) { 58 ClassLoaderData* cld = k->class_loader_data(); 59 do_class_loader_data(cld); 60 } 61 62 inline void CMSOopClosure::do_class_loader_data(ClassLoaderData* cld) { 63 assert(_klass_closure._oop_closure == this, "Must be"); 64 65 bool claim = true; // Must claim the class loader data before processing. 66 cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim); 67 } 68 inline void CMSOopsInGenClosure::do_class_loader_data(ClassLoaderData* cld) { 69 assert(_klass_closure._oop_closure == this, "Must be"); 70 71 bool claim = true; // Must claim the class loader data before processing. 72 cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim); 73 } 74 75 76 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP