1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/runtime/objectMonitor.inline.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,110 @@
1.4 +/*
1.5 + * Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +inline intptr_t ObjectMonitor::is_entered(TRAPS) const {
1.29 + if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) {
1.30 + return 1;
1.31 + }
1.32 + return 0;
1.33 +}
1.34 +
1.35 +inline markOop ObjectMonitor::header() const {
1.36 + return _header;
1.37 +}
1.38 +
1.39 +inline void ObjectMonitor::set_header(markOop hdr) {
1.40 + _header = hdr;
1.41 +}
1.42 +
1.43 +inline intptr_t ObjectMonitor::count() const {
1.44 + return _count;
1.45 +}
1.46 +
1.47 +inline void ObjectMonitor::set_count(intptr_t count) {
1.48 + _count= count;
1.49 +}
1.50 +
1.51 +inline intptr_t ObjectMonitor::waiters() const {
1.52 + return _waiters;
1.53 +}
1.54 +
1.55 +inline void* ObjectMonitor::owner() const {
1.56 + return _owner;
1.57 +}
1.58 +
1.59 +inline void ObjectMonitor::clear() {
1.60 + assert(_header, "Fatal logic error in ObjectMonitor header!");
1.61 + assert(_count == 0, "Fatal logic error in ObjectMonitor count!");
1.62 + assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!");
1.63 + assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!");
1.64 + assert(_object, "Fatal logic error in ObjectMonitor object!");
1.65 + assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!");
1.66 +
1.67 + _header = NULL;
1.68 + _object = NULL;
1.69 +}
1.70 +
1.71 +
1.72 +inline void* ObjectMonitor::object() const {
1.73 + return _object;
1.74 +}
1.75 +
1.76 +inline void* ObjectMonitor::object_addr() {
1.77 + return (void *)(&_object);
1.78 +}
1.79 +
1.80 +inline void ObjectMonitor::set_object(void* obj) {
1.81 + _object = obj;
1.82 +}
1.83 +
1.84 +inline bool ObjectMonitor::check(TRAPS) {
1.85 + if (THREAD != _owner) {
1.86 + if (THREAD->is_lock_owned((address) _owner)) {
1.87 + _owner = THREAD; // regain ownership of inflated monitor
1.88 + OwnerIsThread = 1 ;
1.89 + assert (_recursions == 0, "invariant") ;
1.90 + } else {
1.91 + check_slow(THREAD);
1.92 + return false;
1.93 + }
1.94 + }
1.95 + return true;
1.96 +}
1.97 +
1.98 +
1.99 +// return number of threads contending for this monitor
1.100 +inline intptr_t ObjectMonitor::contentions() const {
1.101 + return _count;
1.102 +}
1.103 +
1.104 +inline void ObjectMonitor::set_owner(void* owner) {
1.105 + _owner = owner;
1.106 + _recursions = 0;
1.107 + _count = 0;
1.108 +}
1.109 +
1.110 +
1.111 +// here are the platform-dependent bodies:
1.112 +
1.113 +# include "incls/_objectMonitor_pd.inline.hpp.incl"
