Mercurial > hg > truffle
comparison src/share/vm/runtime/serviceThread.cpp @ 10215:31a4e55f8c9d
8004095: Add support for JMX interface to Diagnostic Framework and Commands
Reviewed-by: acorn, sla
author | fparain |
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date | Fri, 03 May 2013 05:05:31 -0700 |
parents | 78542e2b5e35 |
children | ad3f8397fe37 fa6c442c59ee |
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10167:8fe2542bdc8d | 10215:31a4e55f8c9d |
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1 /* | 1 /* |
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | 4 * |
5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
27 #include "runtime/javaCalls.hpp" | 27 #include "runtime/javaCalls.hpp" |
28 #include "runtime/serviceThread.hpp" | 28 #include "runtime/serviceThread.hpp" |
29 #include "runtime/mutexLocker.hpp" | 29 #include "runtime/mutexLocker.hpp" |
30 #include "prims/jvmtiImpl.hpp" | 30 #include "prims/jvmtiImpl.hpp" |
31 #include "services/gcNotifier.hpp" | 31 #include "services/gcNotifier.hpp" |
32 #include "services/diagnosticArgument.hpp" | |
33 #include "services/diagnosticFramework.hpp" | |
32 | 34 |
33 ServiceThread* ServiceThread::_instance = NULL; | 35 ServiceThread* ServiceThread::_instance = NULL; |
34 | 36 |
35 void ServiceThread::initialize() { | 37 void ServiceThread::initialize() { |
36 EXCEPTION_MARK; | 38 EXCEPTION_MARK; |
81 void ServiceThread::service_thread_entry(JavaThread* jt, TRAPS) { | 83 void ServiceThread::service_thread_entry(JavaThread* jt, TRAPS) { |
82 while (true) { | 84 while (true) { |
83 bool sensors_changed = false; | 85 bool sensors_changed = false; |
84 bool has_jvmti_events = false; | 86 bool has_jvmti_events = false; |
85 bool has_gc_notification_event = false; | 87 bool has_gc_notification_event = false; |
88 bool has_dcmd_notification_event = false; | |
86 JvmtiDeferredEvent jvmti_event; | 89 JvmtiDeferredEvent jvmti_event; |
87 { | 90 { |
88 // Need state transition ThreadBlockInVM so that this thread | 91 // Need state transition ThreadBlockInVM so that this thread |
89 // will be handled by safepoint correctly when this thread is | 92 // will be handled by safepoint correctly when this thread is |
90 // notified at a safepoint. | 93 // notified at a safepoint. |
96 ThreadBlockInVM tbivm(jt); | 99 ThreadBlockInVM tbivm(jt); |
97 | 100 |
98 MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); | 101 MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
99 while (!(sensors_changed = LowMemoryDetector::has_pending_requests()) && | 102 while (!(sensors_changed = LowMemoryDetector::has_pending_requests()) && |
100 !(has_jvmti_events = JvmtiDeferredEventQueue::has_events()) && | 103 !(has_jvmti_events = JvmtiDeferredEventQueue::has_events()) && |
101 !(has_gc_notification_event = GCNotifier::has_event())) { | 104 !(has_gc_notification_event = GCNotifier::has_event()) && |
105 !(has_dcmd_notification_event = DCmdFactory::has_pending_jmx_notification())) { | |
102 // wait until one of the sensors has pending requests, or there is a | 106 // wait until one of the sensors has pending requests, or there is a |
103 // pending JVMTI event or JMX GC notification to post | 107 // pending JVMTI event or JMX GC notification to post |
104 Service_lock->wait(Mutex::_no_safepoint_check_flag); | 108 Service_lock->wait(Mutex::_no_safepoint_check_flag); |
105 } | 109 } |
106 | 110 |
118 } | 122 } |
119 | 123 |
120 if(has_gc_notification_event) { | 124 if(has_gc_notification_event) { |
121 GCNotifier::sendNotification(CHECK); | 125 GCNotifier::sendNotification(CHECK); |
122 } | 126 } |
127 | |
128 if(has_dcmd_notification_event) { | |
129 DCmdFactory::send_notification(CHECK); | |
130 } | |
123 } | 131 } |
124 } | 132 } |
125 | 133 |
126 bool ServiceThread::is_service_thread(Thread* thread) { | 134 bool ServiceThread::is_service_thread(Thread* thread) { |
127 return thread == _instance; | 135 return thread == _instance; |