Mercurial > hg > truffle
annotate src/share/vm/oops/oop.pcgc.inline.hpp @ 17716:cdb71841f4bc
6498581: ThreadInterruptTest3 produces wrong output on Windows
Summary: There is race condition between os::interrupt and os::is_interrupted on Windows. In JVM_Sleep(Thread.sleep), check if thread gets interrupted, it may see interrupted but not really interrupted so cause spurious waking up (early return from sleep). Fix by checking if interrupt event really gets set thus prevent false return. For intrinsic of _isInterrupted, on Windows, go fastpath only on bit not set.
Reviewed-by: acorn, kvn
Contributed-by: david.holmes@oracle.com, yumin.qi@oracle.com
author | minqi |
---|---|
date | Wed, 26 Feb 2014 15:20:41 -0800 |
parents | 55fb97c4c58d |
children | 4ca6dc0799b6 ee019285a52c |
rev | line source |
---|---|
0 | 1 /* |
17467
55fb97c4c58d
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents:
13438
diff
changeset
|
2 * Copyright (c) 2005, 2013, 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 | |
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP |
26 #define SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP | |
27 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6831
diff
changeset
|
28 #include "utilities/macros.hpp" |
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6831
diff
changeset
|
29 #if INCLUDE_ALL_GCS |
1972 | 30 #include "gc_implementation/parNew/parNewGeneration.hpp" |
31 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" | |
32 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp" | |
33 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" | |
34 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
35 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6831
diff
changeset
|
36 #endif // INCLUDE_ALL_GCS |
1972 | 37 |
0 | 38 inline void oopDesc::update_contents(ParCompactionManager* cm) { |
39 // The klass field must be updated before anything else | |
40 // can be done. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2227
diff
changeset
|
41 DEBUG_ONLY(Klass* original_klass = klass()); |
0 | 42 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2227
diff
changeset
|
43 Klass* new_klass = klass(); |
0 | 44 if (!new_klass->oop_is_typeArray()) { |
45 // It might contain oops beyond the header, so take the virtual call. | |
46 new_klass->oop_update_pointers(cm, this); | |
47 } | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
48 // Else skip it. The TypeArrayKlass in the header never needs scavenging. |
0 | 49 } |
50 | |
51 inline void oopDesc::follow_contents(ParCompactionManager* cm) { | |
52 assert (PSParallelCompact::mark_bitmap()->is_marked(this), | |
53 "should be marked"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2227
diff
changeset
|
54 klass()->oop_follow_contents(cm, this); |
0 | 55 } |
56 | |
57 // Used by parallel old GC. | |
58 | |
59 inline oop oopDesc::forward_to_atomic(oop p) { | |
60 assert(ParNewGeneration::is_legal_forward_ptr(p), | |
61 "illegal forwarding pointer value."); | |
62 markOop oldMark = mark(); | |
63 markOop forwardPtrMark = markOopDesc::encode_pointer_as_mark(p); | |
64 markOop curMark; | |
65 | |
66 assert(forwardPtrMark->decode_pointer() == p, "encoding must be reversable"); | |
67 assert(sizeof(markOop) == sizeof(intptr_t), "CAS below requires this."); | |
68 | |
1992
3cd116fd11be
6994628: G1: Test gc/gctests/FinalizeTest05 fails (one live object is finalized)
johnc
parents:
1972
diff
changeset
|
69 while (!oldMark->is_marked()) { |
0 | 70 curMark = (markOop)Atomic::cmpxchg_ptr(forwardPtrMark, &_mark, oldMark); |
1992
3cd116fd11be
6994628: G1: Test gc/gctests/FinalizeTest05 fails (one live object is finalized)
johnc
parents:
1972
diff
changeset
|
71 assert(is_forwarded(), "object should have been forwarded"); |
0 | 72 if (curMark == oldMark) { |
73 return NULL; | |
74 } | |
1992
3cd116fd11be
6994628: G1: Test gc/gctests/FinalizeTest05 fails (one live object is finalized)
johnc
parents:
1972
diff
changeset
|
75 // If the CAS was unsuccessful then curMark->is_marked() |
3cd116fd11be
6994628: G1: Test gc/gctests/FinalizeTest05 fails (one live object is finalized)
johnc
parents:
1972
diff
changeset
|
76 // should return true as another thread has CAS'd in another |
3cd116fd11be
6994628: G1: Test gc/gctests/FinalizeTest05 fails (one live object is finalized)
johnc
parents:
1972
diff
changeset
|
77 // forwarding pointer. |
0 | 78 oldMark = curMark; |
79 } | |
80 return forwardee(); | |
81 } | |
82 | |
1972 | 83 #endif // SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP |