21 * questions. |
21 * questions. |
22 * |
22 * |
23 */ |
23 */ |
24 |
24 |
25 #include "precompiled.hpp" |
25 #include "precompiled.hpp" |
|
26 #include "classfile/stringTable.hpp" |
26 #include "runtime/interfaceSupport.inline.hpp" |
27 #include "runtime/interfaceSupport.inline.hpp" |
27 #include "runtime/javaCalls.hpp" |
28 #include "runtime/javaCalls.hpp" |
28 #include "runtime/serviceThread.hpp" |
29 #include "runtime/serviceThread.hpp" |
29 #include "runtime/mutexLocker.hpp" |
30 #include "runtime/mutexLocker.hpp" |
30 #include "runtime/os.hpp" |
31 #include "runtime/os.hpp" |
80 bool sensors_changed = false; |
81 bool sensors_changed = false; |
81 bool has_jvmti_events = false; |
82 bool has_jvmti_events = false; |
82 bool has_gc_notification_event = false; |
83 bool has_gc_notification_event = false; |
83 bool has_dcmd_notification_event = false; |
84 bool has_dcmd_notification_event = false; |
84 bool acs_notify = false; |
85 bool acs_notify = false; |
|
86 bool stringtable_work = false; |
85 JvmtiDeferredEvent jvmti_event; |
87 JvmtiDeferredEvent jvmti_event; |
86 { |
88 { |
87 // Need state transition ThreadBlockInVM so that this thread |
89 // Need state transition ThreadBlockInVM so that this thread |
88 // will be handled by safepoint correctly when this thread is |
90 // will be handled by safepoint correctly when this thread is |
89 // notified at a safepoint. |
91 // notified at a safepoint. |
96 |
98 |
97 MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
99 MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
98 while (!(sensors_changed = LowMemoryDetector::has_pending_requests()) && |
100 while (!(sensors_changed = LowMemoryDetector::has_pending_requests()) && |
99 !(has_jvmti_events = JvmtiDeferredEventQueue::has_events()) && |
101 !(has_jvmti_events = JvmtiDeferredEventQueue::has_events()) && |
100 !(has_gc_notification_event = GCNotifier::has_event()) && |
102 !(has_gc_notification_event = GCNotifier::has_event()) && |
101 !(has_dcmd_notification_event = DCmdFactory::has_pending_jmx_notification())) { |
103 !(has_dcmd_notification_event = DCmdFactory::has_pending_jmx_notification()) && |
|
104 !(stringtable_work = StringTable::has_work())) { |
102 // wait until one of the sensors has pending requests, or there is a |
105 // wait until one of the sensors has pending requests, or there is a |
103 // pending JVMTI event or JMX GC notification to post |
106 // pending JVMTI event or JMX GC notification to post |
104 Service_lock->wait(Mutex::_no_safepoint_check_flag); |
107 Service_lock->wait(Mutex::_no_safepoint_check_flag); |
105 } |
108 } |
106 |
109 |
107 if (has_jvmti_events) { |
110 if (has_jvmti_events) { |
108 jvmti_event = JvmtiDeferredEventQueue::dequeue(); |
111 jvmti_event = JvmtiDeferredEventQueue::dequeue(); |
109 } |
112 } |
|
113 } |
|
114 |
|
115 if (stringtable_work) { |
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116 StringTable::do_concurrent_work(jt); |
110 } |
117 } |
111 |
118 |
112 if (has_jvmti_events) { |
119 if (has_jvmti_events) { |
113 jvmti_event.post(); |
120 jvmti_event.post(); |
114 } |
121 } |