Mercurial > hg > truffle
diff src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 05f89f00a864 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,58 @@ +/* + * 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(); +}