author | mgronlun |
Wed, 30 Oct 2019 19:43:52 +0100 | |
changeset 58863 | c16ac7a2eba4 |
parent 57777 | 90ead0febf56 |
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child 59156 | 14fa9e70ae71 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#ifndef SHARE_RUNTIME_OBJECTMONITOR_INLINE_HPP |
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#define SHARE_RUNTIME_OBJECTMONITOR_INLINE_HPP |
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#include "runtime/atomic.hpp" |
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inline intptr_t ObjectMonitor::is_entered(TRAPS) const { |
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if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) { |
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return 1; |
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} |
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return 0; |
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} |
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inline markWord ObjectMonitor::header() const { |
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return Atomic::load(&_header); |
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} |
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inline volatile markWord* ObjectMonitor::header_addr() { |
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assert((intptr_t)this == (intptr_t)&_header, "sync code expects this"); |
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return &_header; |
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} |
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inline void ObjectMonitor::set_header(markWord hdr) { |
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Atomic::store(hdr, &_header); |
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} |
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inline jint ObjectMonitor::waiters() const { |
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return _waiters; |
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} |
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inline void* ObjectMonitor::owner() const { |
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return _owner; |
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} |
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inline void ObjectMonitor::clear() { |
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assert(Atomic::load(&_header).value() != 0, "must be non-zero"); |
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assert(_contentions == 0, "must be 0: contentions=%d", _contentions); |
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assert(_waiters == 0, "must be 0: waiters=%d", _waiters); |
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assert(_recursions == 0, "must be 0: recursions=" INTPTR_FORMAT, _recursions); |
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assert(_object != NULL, "must be non-NULL"); |
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assert(_owner == NULL, "must be NULL: owner=" INTPTR_FORMAT, p2i(_owner)); |
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Atomic::store(markWord::zero(), &_header); |
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_object = NULL; |
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} |
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inline void* ObjectMonitor::object() const { |
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return _object; |
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} |
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inline void* ObjectMonitor::object_addr() { |
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return (void *)(&_object); |
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} |
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inline void ObjectMonitor::set_object(void* obj) { |
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_object = obj; |
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} |
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// return number of threads contending for this monitor |
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inline jint ObjectMonitor::contentions() const { |
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return _contentions; |
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} |
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inline void ObjectMonitor::set_owner(void* owner) { |
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_owner = owner; |
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} |
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#endif // SHARE_RUNTIME_OBJECTMONITOR_INLINE_HPP |