Path: blob/aarch64-shenandoah-jdk8u272-b10/hotspot/src/share/vm/memory/gcLocker.inline.hpp
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/*1* Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.2* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.3*4* This code is free software; you can redistribute it and/or modify it5* under the terms of the GNU General Public License version 2 only, as6* published by the Free Software Foundation.7*8* This code is distributed in the hope that it will be useful, but WITHOUT9* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or10* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License11* version 2 for more details (a copy is included in the LICENSE file that12* accompanied this code).13*14* You should have received a copy of the GNU General Public License version15* 2 along with this work; if not, write to the Free Software Foundation,16* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.17*18* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA19* or visit www.oracle.com if you need additional information or have any20* questions.21*22*/2324#ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP25#define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP2627#include "memory/gcLocker.hpp"2829inline void GC_locker::lock_critical(JavaThread* thread) {30if (!thread->in_critical()) {31if (needs_gc()) {32// jni_lock call calls enter_critical under the lock so that the33// global lock count and per thread count are in agreement.34jni_lock(thread);35return;36}37increment_debug_jni_lock_count();38}39thread->enter_critical();40}4142inline void GC_locker::unlock_critical(JavaThread* thread) {43if (thread->in_last_critical()) {44if (needs_gc()) {45// jni_unlock call calls exit_critical under the lock so that46// the global lock count and per thread count are in agreement.47jni_unlock(thread);48return;49}50decrement_debug_jni_lock_count();51}52thread->exit_critical();53}5455#endif // SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP565758