Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp @ 20460:df66e3a3c4c2
8041946: CMM Testing: 8u40 an allocated humongous object at the end of the heap should not prevents shrinking the heap
Summary: New test added
Reviewed-by: jwilhelm, tschatzl
Contributed-by: andrey.x.zakharov@oracle.com
author | jwilhelm |
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date | Thu, 11 Sep 2014 14:21:13 +0200 |
parents | 4c1b88a53c74 |
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0 | 1 /* |
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2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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 | |
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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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 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" | |
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30 #include "oops/oop.inline.hpp" |
1972 | 31 |
0 | 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 | |
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47 // MetadataAwareOopClosure and MetadataAwareOopsInGenClosure are duplicated, |
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48 // until we get rid of OopsInGenClosure. |
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49 |
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50 inline void MetadataAwareOopsInGenClosure::do_klass_nv(Klass* k) { |
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51 ClassLoaderData* cld = k->class_loader_data(); |
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52 do_class_loader_data(cld); |
935 | 53 } |
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54 inline void MetadataAwareOopsInGenClosure::do_klass(Klass* k) { do_klass_nv(k); } |
0 | 55 |
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56 inline void MetadataAwareOopsInGenClosure::do_class_loader_data(ClassLoaderData* cld) { |
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57 assert(_klass_closure._oop_closure == this, "Must be"); |
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58 |
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59 bool claim = true; // Must claim the class loader data before processing. |
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60 cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim); |
941 | 61 } |
62 | |
1972 | 63 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_INLINE_HPP |