duke@435: /*
stefank@2314:  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
stefank@2314: #define SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
stefank@2314: 
duke@435: inline intptr_t ObjectMonitor::is_entered(TRAPS) const {
duke@435:   if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) {
duke@435:     return 1;
duke@435:   }
duke@435:   return 0;
duke@435: }
duke@435: 
duke@435: inline markOop ObjectMonitor::header() const {
duke@435:   return _header;
duke@435: }
duke@435: 
duke@435: inline void ObjectMonitor::set_header(markOop hdr) {
duke@435:   _header = hdr;
duke@435: }
duke@435: 
duke@435: inline intptr_t ObjectMonitor::count() const {
duke@435:   return _count;
duke@435: }
duke@435: 
duke@435: inline void ObjectMonitor::set_count(intptr_t count) {
duke@435:   _count= count;
duke@435: }
duke@435: 
duke@435: inline intptr_t ObjectMonitor::waiters() const {
duke@435:   return _waiters;
duke@435: }
duke@435: 
duke@435: inline void* ObjectMonitor::owner() const {
duke@435:   return _owner;
duke@435: }
duke@435: 
duke@435: inline void ObjectMonitor::clear() {
duke@435:   assert(_header, "Fatal logic error in ObjectMonitor header!");
duke@435:   assert(_count == 0, "Fatal logic error in ObjectMonitor count!");
duke@435:   assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!");
duke@435:   assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!");
duke@435:   assert(_object, "Fatal logic error in ObjectMonitor object!");
duke@435:   assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!");
duke@435: 
duke@435:   _header = NULL;
duke@435:   _object = NULL;
duke@435: }
duke@435: 
duke@435: 
duke@435: inline void* ObjectMonitor::object() const {
duke@435:   return _object;
duke@435: }
duke@435: 
duke@435: inline void* ObjectMonitor::object_addr() {
duke@435:   return (void *)(&_object);
duke@435: }
duke@435: 
duke@435: inline void ObjectMonitor::set_object(void* obj) {
duke@435:   _object = obj;
duke@435: }
duke@435: 
duke@435: inline bool ObjectMonitor::check(TRAPS) {
duke@435:   if (THREAD != _owner) {
duke@435:     if (THREAD->is_lock_owned((address) _owner)) {
duke@435:       _owner = THREAD;  // regain ownership of inflated monitor
duke@435:       OwnerIsThread = 1 ;
duke@435:       assert (_recursions == 0, "invariant") ;
duke@435:     } else {
duke@435:       check_slow(THREAD);
duke@435:       return false;
duke@435:     }
duke@435:   }
duke@435:   return true;
duke@435: }
duke@435: 
duke@435: 
duke@435: // return number of threads contending for this monitor
duke@435: inline intptr_t ObjectMonitor::contentions() const {
duke@435:   return _count;
duke@435: }
duke@435: 
duke@435: inline void ObjectMonitor::set_owner(void* owner) {
duke@435:   _owner = owner;
duke@435:   _recursions = 0;
duke@435:   _count = 0;
duke@435: }
duke@435: 
stefank@2314: 
stefank@2314: #endif // SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP