Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/memory/barrierSet.cpp@0bfd3fb24150 (annotated)
src/share/vm/memory/barrierSet.cpp
Tue, 13 Apr 2010 13:52:10 -0700
- author
- jmasa
- date
- Tue, 13 Apr 2010 13:52:10 -0700
- changeset 1822
- 0bfd3fb24150
- parent 1526
- 6aa7255741f3
- child 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit.
Summary: Ensure a full GC that clears SoftReferences before throwing an out-of-memory
Reviewed-by: ysr, jcoomes
| ysr@777 | 1 | /* |
| ysr@777 | 2 | * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. |
| ysr@777 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| ysr@777 | 4 | * |
| ysr@777 | 5 | * This code is free software; you can redistribute it and/or modify it |
| ysr@777 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| ysr@777 | 7 | * published by the Free Software Foundation. |
| ysr@777 | 8 | * |
| ysr@777 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| ysr@777 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| ysr@777 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| ysr@777 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| ysr@777 | 13 | * accompanied this code). |
| ysr@777 | 14 | * |
| ysr@777 | 15 | * You should have received a copy of the GNU General Public License version |
| ysr@777 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| ysr@777 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| ysr@777 | 18 | * |
| ysr@777 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| ysr@777 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| ysr@777 | 21 | * have any questions. |
| ysr@777 | 22 | * |
| ysr@777 | 23 | */ |
| ysr@777 | 24 | |
| ysr@777 | 25 | # include "incls/_precompiled.incl" |
| ysr@777 | 26 | # include "incls/_barrierSet.cpp.incl" |
| ysr@777 | 27 | |
| ysr@1280 | 28 | // count is number of array elements being written |
| ysr@777 | 29 | void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) { |
| ysr@1280 | 30 | assert(count <= (size_t)max_intx, "count too large"); |
| ysr@1280 | 31 | #if 0 |
| ysr@1280 | 32 | warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t", |
| ysr@1280 | 33 | start, count); |
| ysr@1280 | 34 | #endif |
| ysr@1280 | 35 | if (UseCompressedOops) { |
| ysr@1280 | 36 | Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count); |
| ysr@1280 | 37 | } else { |
| ysr@1280 | 38 | Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count); |
| ysr@1280 | 39 | } |
| ysr@777 | 40 | } |
| ysr@777 | 41 | |
| ysr@1280 | 42 | // count is number of array elements being written |
| ysr@777 | 43 | void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) { |
| ysr@1526 | 44 | // simply delegate to instance method |
| ysr@1526 | 45 | Universe::heap()->barrier_set()->write_ref_array(start, count); |
| ysr@777 | 46 | } |
