Mercurial > hg > truffle
annotate src/share/vm/runtime/handles.inline.hpp @ 4128:f1391adc6681
7112034: Parallel CMS fails to properly mark reference objects
Summary: Enabled reference processing when work stealing during concurrent marking
Reviewed-by: jmasa, brutisso
author | stefank |
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date | Mon, 28 Nov 2011 10:19:26 +0100 |
parents | f08d439fab8c |
children | d2a62e0f25eb |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1998, 2010, 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 * | |
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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_RUNTIME_HANDLES_INLINE_HPP |
26 #define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP | |
27 | |
28 #include "runtime/handles.hpp" | |
29 #ifdef TARGET_OS_FAMILY_linux | |
30 # include "thread_linux.inline.hpp" | |
31 #endif | |
32 #ifdef TARGET_OS_FAMILY_solaris | |
33 # include "thread_solaris.inline.hpp" | |
34 #endif | |
35 #ifdef TARGET_OS_FAMILY_windows | |
36 # include "thread_windows.inline.hpp" | |
37 #endif | |
3960 | 38 #ifdef TARGET_OS_FAMILY_bsd |
39 # include "thread_bsd.inline.hpp" | |
40 #endif | |
1972 | 41 |
0 | 42 // these inline functions are in a separate file to break an include cycle |
43 // between Thread and Handle | |
44 | |
45 inline Handle::Handle(oop obj) { | |
46 if (obj == NULL) { | |
47 _handle = NULL; | |
48 } else { | |
49 _handle = Thread::current()->handle_area()->allocate_handle(obj); | |
50 } | |
51 } | |
52 | |
53 | |
54 #ifndef ASSERT | |
55 inline Handle::Handle(Thread* thread, oop obj) { | |
56 assert(thread == Thread::current(), "sanity check"); | |
57 if (obj == NULL) { | |
58 _handle = NULL; | |
59 } else { | |
60 _handle = thread->handle_area()->allocate_handle(obj); | |
61 } | |
62 } | |
63 #endif // ASSERT | |
64 | |
65 | |
66 inline HandleMark::HandleMark() { | |
67 initialize(Thread::current()); | |
68 } | |
69 | |
70 | |
71 inline void HandleMark::push() { | |
72 // This is intentionally a NOP. pop_and_restore will reset | |
73 // values to the HandleMark further down the stack, typically | |
74 // in JavaCalls::call_helper. | |
75 debug_only(_area->_handle_mark_nesting++); | |
76 } | |
77 | |
78 inline void HandleMark::pop_and_restore() { | |
79 HandleArea* area = _area; // help compilers with poor alias analysis | |
80 // Delete later chunks | |
81 if( _chunk->next() ) { | |
82 _chunk->next_chop(); | |
83 } | |
84 // Roll back arena to saved top markers | |
85 area->_chunk = _chunk; | |
86 area->_hwm = _hwm; | |
87 area->_max = _max; | |
88 NOT_PRODUCT(area->set_size_in_bytes(_size_in_bytes);) | |
89 debug_only(area->_handle_mark_nesting--); | |
90 } | |
1972 | 91 |
92 #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |