Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/gc_implementation/shared/gcId.cpp@9f28a4cac6d9 (annotated)
src/share/vm/gc_implementation/shared/gcId.cpp
Wed, 31 Jul 2019 14:28:51 -0400
- author
- kbarrett
- date
- Wed, 31 Jul 2019 14:28:51 -0400
- changeset 9787
- 9f28a4cac6d9
- parent 6904
- 0982ec23da03
- permissions
- -rw-r--r--
8048556: Unnecessary GCLocker-initiated young GCs
Summary: Fixed recognition of unnecessary GCLocker collections.
Reviewed-by: pliden, tschatzl
Contributed-by: johnc@azul.com
| brutisso@6904 | 1 | /* |
| brutisso@6904 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| brutisso@6904 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| brutisso@6904 | 4 | * |
| brutisso@6904 | 5 | * This code is free software; you can redistribute it and/or modify it |
| brutisso@6904 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| brutisso@6904 | 7 | * published by the Free Software Foundation. |
| brutisso@6904 | 8 | * |
| brutisso@6904 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| brutisso@6904 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| brutisso@6904 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| brutisso@6904 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| brutisso@6904 | 13 | * accompanied this code). |
| brutisso@6904 | 14 | * |
| brutisso@6904 | 15 | * You should have received a copy of the GNU General Public License version |
| brutisso@6904 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| brutisso@6904 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| brutisso@6904 | 18 | * |
| brutisso@6904 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| brutisso@6904 | 20 | * or visit www.oracle.com if you need additional information or have any |
| brutisso@6904 | 21 | * questions. |
| brutisso@6904 | 22 | * |
| brutisso@6904 | 23 | */ |
| brutisso@6904 | 24 | |
| brutisso@6904 | 25 | #include "precompiled.hpp" |
| brutisso@6904 | 26 | #include "gc_implementation/shared/gcId.hpp" |
| brutisso@6904 | 27 | #include "runtime/safepoint.hpp" |
| brutisso@6904 | 28 | |
| brutisso@6904 | 29 | uint GCId::_next_id = 0; |
| brutisso@6904 | 30 | |
| brutisso@6904 | 31 | const GCId GCId::create() { |
| brutisso@6904 | 32 | return GCId(_next_id++); |
| brutisso@6904 | 33 | } |
| brutisso@6904 | 34 | const GCId GCId::peek() { |
| brutisso@6904 | 35 | return GCId(_next_id); |
| brutisso@6904 | 36 | } |
| brutisso@6904 | 37 | const GCId GCId::undefined() { |
| brutisso@6904 | 38 | return GCId(UNDEFINED); |
| brutisso@6904 | 39 | } |
| brutisso@6904 | 40 | bool GCId::is_undefined() const { |
| brutisso@6904 | 41 | return _id == UNDEFINED; |
| brutisso@6904 | 42 | } |
