Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1StringDedupThread.hpp @ 17947:1772223a25a2
8037112: gc/g1/TestHumongousAllocInitialMark.java caused SIGSEGV
Reviewed-by: brutisso, mgerdin
author | pliden |
---|---|
date | Fri, 11 Apr 2014 11:00:12 +0200 |
parents | 595c0f60d50d |
children |
rev | line source |
---|---|
17764 | 1 /* |
2 * Copyright (c) 2014, 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_G1_G1STRINGDEDUPTHREAD_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPTHREAD_HPP | |
27 | |
28 #include "gc_implementation/g1/g1StringDedupStat.hpp" | |
29 #include "gc_implementation/shared/concurrentGCThread.hpp" | |
30 | |
31 // | |
32 // The deduplication thread is where the actual deduplication occurs. It waits for | |
33 // deduplication candidates to appear on the deduplication queue, removes them from | |
34 // the queue and tries to deduplicate them. It uses the deduplication hashtable to | |
35 // find identical, already existing, character arrays on the heap. The thread runs | |
36 // concurrently with the Java application but participates in safepoints to allow | |
37 // the GC to adjust and unlink oops from the deduplication queue and table. | |
38 // | |
39 class G1StringDedupThread: public ConcurrentGCThread { | |
40 private: | |
41 static G1StringDedupThread* _thread; | |
42 | |
43 G1StringDedupThread(); | |
44 ~G1StringDedupThread(); | |
45 | |
46 void print(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat); | |
47 | |
48 public: | |
49 static void create(); | |
17947
1772223a25a2
8037112: gc/g1/TestHumongousAllocInitialMark.java caused SIGSEGV
pliden
parents:
17764
diff
changeset
|
50 static void stop(); |
1772223a25a2
8037112: gc/g1/TestHumongousAllocInitialMark.java caused SIGSEGV
pliden
parents:
17764
diff
changeset
|
51 |
17764 | 52 static G1StringDedupThread* thread(); |
53 | |
54 virtual void run(); | |
55 virtual void print_on(outputStream* st) const; | |
56 }; | |
57 | |
58 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPTHREAD_HPP |