| /* |
| * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP |
| #define SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP |
| |
| inline intptr_t ObjectMonitor::is_entered(TRAPS) const { |
| if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) { |
| return 1; |
| } |
| return 0; |
| } |
| |
| inline markOop ObjectMonitor::header() const { |
| return _header; |
| } |
| |
| inline void ObjectMonitor::set_header(markOop hdr) { |
| _header = hdr; |
| } |
| |
| inline jint ObjectMonitor::count() const { |
| return _count; |
| } |
| |
| inline jint ObjectMonitor::waiters() const { |
| return _waiters; |
| } |
| |
| inline void* ObjectMonitor::owner() const { |
| return _owner; |
| } |
| |
| inline void ObjectMonitor::clear() { |
| assert(_header, "Fatal logic error in ObjectMonitor header!"); |
| assert(_count == 0, "Fatal logic error in ObjectMonitor count!"); |
| assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!"); |
| assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!"); |
| assert(_object != NULL, "Fatal logic error in ObjectMonitor object!"); |
| assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!"); |
| |
| _header = NULL; |
| _object = NULL; |
| } |
| |
| |
| inline void* ObjectMonitor::object() const { |
| return _object; |
| } |
| |
| inline void* ObjectMonitor::object_addr() { |
| return (void *)(&_object); |
| } |
| |
| inline void ObjectMonitor::set_object(void* obj) { |
| _object = obj; |
| } |
| |
| inline bool ObjectMonitor::check(TRAPS) { |
| if (THREAD != _owner) { |
| if (THREAD->is_lock_owned((address) _owner)) { |
| _owner = THREAD; // regain ownership of inflated monitor |
| assert (_recursions == 0, "invariant") ; |
| } else { |
| check_slow(THREAD); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| |
| // return number of threads contending for this monitor |
| inline jint ObjectMonitor::contentions() const { |
| return _count; |
| } |
| |
| // Do NOT set _count = 0. There is a race such that _count could |
| // be set while inflating prior to setting _owner |
| // Just use Atomic::inc/dec and assert 0 when monitor put on free list |
| inline void ObjectMonitor::set_owner(void* owner) { |
| _owner = owner; |
| _recursions = 0; |
| } |
| |
| |
| #endif // SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP |