Mercurial > hg > truffle

annotate src/share/vm/runtime/serviceThread.cpp @ 2195:bf8517f4e4d0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread" Summary: Defer posting events from the compiler thread: use service thread Reviewed-by: coleenp, dholmes, never, dcubed
author kamg
date Wed, 02 Feb 2011 14:38:01 -0500
parents
children 216d916d5c12
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2195
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
1 /*
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
4 *
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
7 * published by the Free Software Foundation.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
8 *
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
13 * accompanied this code).
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
14 *
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
18 *
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
21 * questions.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
22 *
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
23 */
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
24
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
25 #include "precompiled.hpp"
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
26 #include "runtime/interfaceSupport.hpp"
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
27 #include "runtime/javaCalls.hpp"
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
28 #include "runtime/serviceThread.hpp"
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
29 #include "runtime/mutexLocker.hpp"
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
30 #include "prims/jvmtiImpl.hpp"
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
31
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
32 ServiceThread* ServiceThread::_instance = NULL;
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
33
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
34 void ServiceThread::initialize() {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
35 EXCEPTION_MARK;
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
36
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
37 instanceKlassHandle klass (THREAD, SystemDictionary::Thread_klass());
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
38 instanceHandle thread_oop = klass->allocate_instance_handle(CHECK);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
39
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
40 const char* name = JDK_Version::is_gte_jdk17x_version() ?
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
41 "Service Thread" : "Low Memory Detector";
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
42
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
43 Handle string = java_lang_String::create_from_str(name, CHECK);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
44
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
45 // Initialize thread_oop to put it into the system threadGroup
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
46 Handle thread_group (THREAD, Universe::system_thread_group());
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
47 JavaValue result(T_VOID);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
48 JavaCalls::call_special(&result, thread_oop,
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
49 klass,
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
50 vmSymbols::object_initializer_name(),
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
51 vmSymbols::threadgroup_string_void_signature(),
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
52 thread_group,
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
53 string,
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
54 CHECK);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
55
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
56 {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
57 MutexLocker mu(Threads_lock);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
58 ServiceThread* thread = new ServiceThread(&service_thread_entry);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
59
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
60 // At this point it may be possible that no osthread was created for the
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
61 // JavaThread due to lack of memory. We would have to throw an exception
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
62 // in that case. However, since this must work and we do not allow
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
63 // exceptions anyway, check and abort if this fails.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
64 if (thread == NULL || thread->osthread() == NULL) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
65 vm_exit_during_initialization("java.lang.OutOfMemoryError",
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
66 "unable to create new native thread");
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
67 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
68
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
69 java_lang_Thread::set_thread(thread_oop(), thread);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
70 java_lang_Thread::set_priority(thread_oop(), NearMaxPriority);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
71 java_lang_Thread::set_daemon(thread_oop());
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
72 thread->set_threadObj(thread_oop());
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
73
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
74 Threads::add(thread);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
75 Thread::start(thread);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
76
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
77 _instance = thread;
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
78 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
79 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
80
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
81 void ServiceThread::service_thread_entry(JavaThread* jt, TRAPS) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
82 while (true) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
83 bool sensors_changed = false;
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
84 bool has_jvmti_events = false;
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
85 JvmtiDeferredEvent jvmti_event;
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
86 {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
87 // Need state transition ThreadBlockInVM so that this thread
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
88 // will be handled by safepoint correctly when this thread is
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
89 // notified at a safepoint.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
90
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
91 // This ThreadBlockInVM object is not also considered to be
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
92 // suspend-equivalent because ServiceThread is not visible to
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
93 // external suspension.
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
94
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
95 ThreadBlockInVM tbivm(jt);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
96
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
97 MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
98 while (!(sensors_changed = LowMemoryDetector::has_pending_requests()) &&
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
99 !(has_jvmti_events = JvmtiDeferredEventQueue::has_events())) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
100 // wait until one of the sensors has pending requests, or there is a
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
101 // pending JVMTI event to post
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
102 Service_lock->wait(Mutex::_no_safepoint_check_flag);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
103 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
104
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
105 if (has_jvmti_events) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
106 jvmti_event = JvmtiDeferredEventQueue::dequeue();
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
107 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
108 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
109
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
110 if (has_jvmti_events) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
111 jvmti_event.post();
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
112 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
113
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
114 if (sensors_changed) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
115 LowMemoryDetector::process_sensor_changes(jt);
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
116 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
117 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
118 }
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
119
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
120 bool ServiceThread::is_service_thread(Thread* thread) {
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
121 return thread == _instance;
bf8517f4e4d0 6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
diff changeset
122 }