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src/share/vm/memory/gcLocker.inline.hpp@7ae4e26cb1e0 (annotated)
src/share/vm/memory/gcLocker.inline.hpp
Thu, 12 Oct 2017 21:27:07 +0800
- author
- aoqi
- date
- Thu, 12 Oct 2017 21:27:07 +0800
- changeset 7535
- 7ae4e26cb1e0
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP |
| aoqi@0 | 26 | #define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "memory/gcLocker.hpp" |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | inline void GC_locker::lock_critical(JavaThread* thread) { |
| aoqi@0 | 31 | if (!thread->in_critical()) { |
| aoqi@0 | 32 | if (needs_gc()) { |
| aoqi@0 | 33 | // jni_lock call calls enter_critical under the lock so that the |
| aoqi@0 | 34 | // global lock count and per thread count are in agreement. |
| aoqi@0 | 35 | jni_lock(thread); |
| aoqi@0 | 36 | return; |
| aoqi@0 | 37 | } |
| aoqi@0 | 38 | increment_debug_jni_lock_count(); |
| aoqi@0 | 39 | } |
| aoqi@0 | 40 | thread->enter_critical(); |
| aoqi@0 | 41 | } |
| aoqi@0 | 42 | |
| aoqi@0 | 43 | inline void GC_locker::unlock_critical(JavaThread* thread) { |
| aoqi@0 | 44 | if (thread->in_last_critical()) { |
| aoqi@0 | 45 | if (needs_gc()) { |
| aoqi@0 | 46 | // jni_unlock call calls exit_critical under the lock so that |
| aoqi@0 | 47 | // the global lock count and per thread count are in agreement. |
| aoqi@0 | 48 | jni_unlock(thread); |
| aoqi@0 | 49 | return; |
| aoqi@0 | 50 | } |
| aoqi@0 | 51 | decrement_debug_jni_lock_count(); |
| aoqi@0 | 52 | } |
| aoqi@0 | 53 | thread->exit_critical(); |
| aoqi@0 | 54 | } |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | #endif // SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP |
