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 */
24
25 #ifndef SHARE_RUNTIME_OBJECTMONITOR_INLINE_HPP
26 #define SHARE_RUNTIME_OBJECTMONITOR_INLINE_HPP
27
28 #include "runtime/objectMonitor.hpp"
29
30 #include "logging/log.hpp"
31 #include "oops/access.inline.hpp"
32 #include "runtime/atomic.hpp"
33 #include "runtime/synchronizer.hpp"
34
35 inline intptr_t ObjectMonitor::is_entered(JavaThread* current) const {
36 void* owner = owner_raw();
37 if (current == owner || current->is_lock_owned((address)owner)) {
38 return 1;
39 }
40 return 0;
41 }
42
43 inline markWord ObjectMonitor::header() const {
44 return Atomic::load(&_header);
45 }
46
47 inline volatile markWord* ObjectMonitor::header_addr() {
48 return &_header;
49 }
50
51 inline void ObjectMonitor::set_header(markWord hdr) {
52 Atomic::store(&_header, hdr);
53 }
54
55 inline jint ObjectMonitor::waiters() const {
56 return _waiters;
57 }
58
59 // Returns NULL if DEFLATER_MARKER is observed.
60 inline void* ObjectMonitor::owner() const {
61 void* owner = owner_raw();
62 return owner != DEFLATER_MARKER ? owner : NULL;
63 }
64
65 inline void* ObjectMonitor::owner_raw() const {
66 return Atomic::load(&_owner);
67 }
68
69 // Returns true if owner field == DEFLATER_MARKER and false otherwise.
70 // This accessor is called when we really need to know if the owner
71 // field == DEFLATER_MARKER and any non-NULL value won't do the trick.
72 inline bool ObjectMonitor::owner_is_DEFLATER_MARKER() const {
73 return owner_raw() == DEFLATER_MARKER;
74 }
75
76 // Returns true if 'this' is being async deflated and false otherwise.
77 inline bool ObjectMonitor::is_being_async_deflated() {
78 return contentions() < 0;
|
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 */
24
25 #ifndef SHARE_RUNTIME_OBJECTMONITOR_INLINE_HPP
26 #define SHARE_RUNTIME_OBJECTMONITOR_INLINE_HPP
27
28 #include "runtime/objectMonitor.hpp"
29
30 #include "logging/log.hpp"
31 #include "oops/access.inline.hpp"
32 #include "runtime/atomic.hpp"
33 #include "runtime/lockStack.inline.hpp"
34 #include "runtime/synchronizer.hpp"
35
36 inline intptr_t ObjectMonitor::is_entered(JavaThread* current) const {
37 if (UseFastLocking) {
38 if (is_owner_anonymous()) {
39 return current->lock_stack().contains(object()) ? 1 : 0;
40 } else {
41 return current == owner_raw() ? 1 : 0;
42 }
43 } else {
44 void* owner = owner_raw();
45 if (current == owner || current->is_lock_owned((address)owner)) {
46 return 1;
47 }
48 }
49 return 0;
50 }
51
52 inline markWord ObjectMonitor::header() const {
53 return Atomic::load(&_header);
54 }
55
56 inline volatile markWord* ObjectMonitor::header_addr() {
57 return &_header;
58 }
59
60 inline void ObjectMonitor::set_header(markWord hdr) {
61 Atomic::store(&_header, hdr);
62 }
63
64 inline jint ObjectMonitor::waiters() const {
65 return _waiters;
66 }
67
68 inline bool ObjectMonitor::has_owner() const {
69 void* owner = owner_raw();
70 return owner != NULL && owner != DEFLATER_MARKER;
71 }
72
73 // Returns NULL if DEFLATER_MARKER is observed.
74 inline void* ObjectMonitor::owner() const {
75 void* owner = owner_raw();
76 return owner != DEFLATER_MARKER ? owner : NULL;
77 }
78
79 inline void* ObjectMonitor::owner_raw() const {
80 return Atomic::load(&_owner);
81 }
82
83 // Returns true if owner field == DEFLATER_MARKER and false otherwise.
84 // This accessor is called when we really need to know if the owner
85 // field == DEFLATER_MARKER and any non-NULL value won't do the trick.
86 inline bool ObjectMonitor::owner_is_DEFLATER_MARKER() const {
87 return owner_raw() == DEFLATER_MARKER;
88 }
89
90 // Returns true if 'this' is being async deflated and false otherwise.
91 inline bool ObjectMonitor::is_being_async_deflated() {
92 return contentions() < 0;
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