111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
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/*
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* Copyright 1998-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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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 markOop ObjectMonitor::header() const {
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return _header;
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}
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inline void ObjectMonitor::set_header(markOop hdr) {
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_header = hdr;
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}
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inline intptr_t ObjectMonitor::count() const {
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return _count;
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}
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inline void ObjectMonitor::set_count(intptr_t count) {
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_count= count;
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}
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inline intptr_t 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(_header, "Fatal logic error in ObjectMonitor header!");
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assert(_count == 0, "Fatal logic error in ObjectMonitor count!");
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assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!");
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assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!");
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assert(_object, "Fatal logic error in ObjectMonitor object!");
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assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!");
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_header = NULL;
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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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inline bool ObjectMonitor::check(TRAPS) {
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if (THREAD != _owner) {
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if (THREAD->is_lock_owned((address) _owner)) {
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_owner = THREAD; // regain ownership of inflated monitor
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OwnerIsThread = 1 ;
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assert (_recursions == 0, "invariant") ;
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} else {
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check_slow(THREAD);
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return false;
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}
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}
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return true;
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}
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// return number of threads contending for this monitor
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inline intptr_t ObjectMonitor::contentions() const {
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return _count;
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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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_recursions = 0;
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_count = 0;
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}
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// here are the platform-dependent bodies:
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# include "incls/_objectMonitor_pd.inline.hpp.incl"
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