Fri, 06 Dec 2019 12:42:29 +0100
8235243: handle VS2017 15.9 and VS2019 in abstract_vm_version
8235325: build failure on Linux after 8235243
Reviewed-by: dholmes, mdoerr
1 /*
2 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
26 #define SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP
28 inline intptr_t ObjectMonitor::is_entered(TRAPS) const {
29 if (THREAD == _owner || THREAD->is_lock_owned((address) _owner)) {
30 return 1;
31 }
32 return 0;
33 }
35 inline markOop ObjectMonitor::header() const {
36 return _header;
37 }
39 inline void ObjectMonitor::set_header(markOop hdr) {
40 _header = hdr;
41 }
43 inline intptr_t ObjectMonitor::count() const {
44 return _count;
45 }
47 inline void ObjectMonitor::set_count(intptr_t count) {
48 _count= count;
49 }
51 inline intptr_t ObjectMonitor::waiters() const {
52 return _waiters;
53 }
55 inline void* ObjectMonitor::owner() const {
56 return _owner;
57 }
59 inline void ObjectMonitor::clear() {
60 assert(_header, "Fatal logic error in ObjectMonitor header!");
61 assert(_count == 0, "Fatal logic error in ObjectMonitor count!");
62 assert(_waiters == 0, "Fatal logic error in ObjectMonitor waiters!");
63 assert(_recursions == 0, "Fatal logic error in ObjectMonitor recursions!");
64 assert(_object, "Fatal logic error in ObjectMonitor object!");
65 assert(_owner == 0, "Fatal logic error in ObjectMonitor owner!");
67 _header = NULL;
68 _object = NULL;
69 }
72 inline void* ObjectMonitor::object() const {
73 return _object;
74 }
76 inline void* ObjectMonitor::object_addr() {
77 return (void *)(&_object);
78 }
80 inline void ObjectMonitor::set_object(void* obj) {
81 _object = obj;
82 }
84 inline bool ObjectMonitor::check(TRAPS) {
85 if (THREAD != _owner) {
86 if (THREAD->is_lock_owned((address) _owner)) {
87 _owner = THREAD; // regain ownership of inflated monitor
88 OwnerIsThread = 1 ;
89 assert (_recursions == 0, "invariant") ;
90 } else {
91 check_slow(THREAD);
92 return false;
93 }
94 }
95 return true;
96 }
99 // return number of threads contending for this monitor
100 inline intptr_t ObjectMonitor::contentions() const {
101 return _count;
102 }
104 // Do NOT set _count = 0. There is a race such that _count could
105 // be set while inflating prior to setting _owner
106 // Just use Atomic::inc/dec and assert 0 when monitor put on free list
107 inline void ObjectMonitor::set_owner(void* owner) {
108 _owner = owner;
109 _recursions = 0;
110 }
113 #endif // SHARE_VM_RUNTIME_OBJECTMONITOR_INLINE_HPP