author | iklam |
Tue, 11 Feb 2014 08:43:17 -0800 | |
changeset 22758 | c6b6abb73544 |
parent 22555 | ea32f6c51d08 |
child 24424 | 2658d7834c6e |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/javaClasses.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "gc_implementation/shared/vmGCOperations.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/globals.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/os.hpp" |
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#include "services/attachListener.hpp" |
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#include "services/diagnosticCommand.hpp" |
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#include "services/heapDumper.hpp" |
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volatile bool AttachListener::_initialized; |
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||
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// Implementation of "properties" command. |
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// |
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// Invokes sun.misc.VMSupport.serializePropertiesToByteArray to serialize |
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// the system properties into a byte array. |
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static Klass* load_and_initialize_klass(Symbol* sh, TRAPS) { |
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Klass* k = SystemDictionary::resolve_or_fail(sh, true, CHECK_NULL); |
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instanceKlassHandle ik (THREAD, k); |
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if (ik->should_be_initialized()) { |
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ik->initialize(CHECK_NULL); |
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} |
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return ik(); |
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} |
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static jint get_properties(AttachOperation* op, outputStream* out, Symbol* serializePropertiesMethod) { |
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Thread* THREAD = Thread::current(); |
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HandleMark hm; |
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// load sun.misc.VMSupport |
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Symbol* klass = vmSymbols::sun_misc_VMSupport(); |
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Klass* k = load_and_initialize_klass(klass, THREAD); |
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if (HAS_PENDING_EXCEPTION) { |
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java_lang_Throwable::print(PENDING_EXCEPTION, out); |
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CLEAR_PENDING_EXCEPTION; |
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return JNI_ERR; |
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} |
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instanceKlassHandle ik(THREAD, k); |
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// invoke the serializePropertiesToByteArray method |
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JavaValue result(T_OBJECT); |
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JavaCallArguments args; |
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Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); |
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JavaCalls::call_static(&result, |
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ik, |
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serializePropertiesMethod, |
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signature, |
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&args, |
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THREAD); |
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if (HAS_PENDING_EXCEPTION) { |
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java_lang_Throwable::print(PENDING_EXCEPTION, out); |
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CLEAR_PENDING_EXCEPTION; |
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return JNI_ERR; |
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} |
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// The result should be a [B |
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oop res = (oop)result.get_jobject(); |
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assert(res->is_typeArray(), "just checking"); |
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assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); |
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// copy the bytes to the output stream |
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typeArrayOop ba = typeArrayOop(res); |
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jbyte* addr = typeArrayOop(res)->byte_at_addr(0); |
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out->print_raw((const char*)addr, ba->length()); |
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return JNI_OK; |
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} |
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// Implementation of "properties" command. |
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// See also: PrintSystemPropertiesDCmd class |
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static jint get_system_properties(AttachOperation* op, outputStream* out) { |
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return get_properties(op, out, vmSymbols::serializePropertiesToByteArray_name()); |
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} |
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// Implementation of "agent_properties" command. |
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static jint get_agent_properties(AttachOperation* op, outputStream* out) { |
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return get_properties(op, out, vmSymbols::serializeAgentPropertiesToByteArray_name()); |
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} |
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// Implementation of "datadump" command. |
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// |
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// Raises a SIGBREAK signal so that VM dump threads, does deadlock detection, |
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// etc. In theory this command should only post a DataDumpRequest to any |
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// JVMTI environment that has enabled this event. However it's useful to |
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// trigger the SIGBREAK handler. |
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static jint data_dump(AttachOperation* op, outputStream* out) { |
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if (!ReduceSignalUsage) { |
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AttachListener::pd_data_dump(); |
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} else { |
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if (JvmtiExport::should_post_data_dump()) { |
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JvmtiExport::post_data_dump(); |
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} |
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} |
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return JNI_OK; |
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} |
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// Implementation of "threaddump" command - essentially a remote ctrl-break |
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// See also: ThreadDumpDCmd class |
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// |
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static jint thread_dump(AttachOperation* op, outputStream* out) { |
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bool print_concurrent_locks = false; |
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if (op->arg(0) != NULL && strcmp(op->arg(0), "-l") == 0) { |
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print_concurrent_locks = true; |
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} |
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// thread stacks |
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VM_PrintThreads op1(out, print_concurrent_locks); |
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VMThread::execute(&op1); |
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// JNI global handles |
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VM_PrintJNI op2(out); |
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VMThread::execute(&op2); |
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// Deadlock detection |
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VM_FindDeadlocks op3(out); |
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VMThread::execute(&op3); |
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return JNI_OK; |
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} |
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// A jcmd attach operation request was received, which will now |
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// dispatch to the diagnostic commands used for serviceability functions. |
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static jint jcmd(AttachOperation* op, outputStream* out) { |
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Thread* THREAD = Thread::current(); |
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// All the supplied jcmd arguments are stored as a single |
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// string (op->arg(0)). This is parsed by the Dcmd framework. |
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DCmd::parse_and_execute(DCmd_Source_AttachAPI, out, op->arg(0), ' ', THREAD); |
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if (HAS_PENDING_EXCEPTION) { |
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java_lang_Throwable::print(PENDING_EXCEPTION, out); |
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out->cr(); |
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CLEAR_PENDING_EXCEPTION; |
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// The exception has been printed on the output stream |
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// If the JVM returns JNI_ERR, the attachAPI throws a generic I/O |
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// exception and the content of the output stream is not processed. |
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// By returning JNI_OK, the exception will be displayed on the client side |
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} |
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return JNI_OK; |
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} |
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// Implementation of "dumpheap" command. |
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// See also: HeapDumpDCmd class |
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// |
176 |
// Input arguments :- |
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// arg0: Name of the dump file |
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// arg1: "-live" or "-all" |
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jint dump_heap(AttachOperation* op, outputStream* out) { |
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const char* path = op->arg(0); |
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if (path == NULL || path[0] == '\0') { |
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out->print_cr("No dump file specified"); |
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} else { |
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bool live_objects_only = true; // default is true to retain the behavior before this change is made |
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const char* arg1 = op->arg(1); |
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if (arg1 != NULL && (strlen(arg1) > 0)) { |
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if (strcmp(arg1, "-all") != 0 && strcmp(arg1, "-live") != 0) { |
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out->print_cr("Invalid argument to dumpheap operation: %s", arg1); |
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return JNI_ERR; |
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} |
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live_objects_only = strcmp(arg1, "-live") == 0; |
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} |
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// Request a full GC before heap dump if live_objects_only = true |
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// This helps reduces the amount of unreachable objects in the dump |
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// and makes it easier to browse. |
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HeapDumper dumper(live_objects_only /* request GC */); |
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int res = dumper.dump(op->arg(0)); |
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if (res == 0) { |
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out->print_cr("Heap dump file created"); |
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} else { |
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// heap dump failed |
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ResourceMark rm; |
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char* error = dumper.error_as_C_string(); |
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if (error == NULL) { |
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out->print_cr("Dump failed - reason unknown"); |
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} else { |
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out->print_cr("%s", error); |
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} |
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} |
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} |
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return JNI_OK; |
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} |
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// Implementation of "inspectheap" command |
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// See also: ClassHistogramDCmd class |
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// |
218 |
// Input arguments :- |
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// arg0: "-live" or "-all" |
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static jint heap_inspection(AttachOperation* op, outputStream* out) { |
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bool live_objects_only = true; // default is true to retain the behavior before this change is made |
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const char* arg0 = op->arg(0); |
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if (arg0 != NULL && (strlen(arg0) > 0)) { |
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if (strcmp(arg0, "-all") != 0 && strcmp(arg0, "-live") != 0) { |
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out->print_cr("Invalid argument to inspectheap operation: %s", arg0); |
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return JNI_ERR; |
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} |
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live_objects_only = strcmp(arg0, "-live") == 0; |
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229 |
} |
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VM_GC_HeapInspection heapop(out, live_objects_only /* request full gc */); |
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VMThread::execute(&heapop); |
232 |
return JNI_OK; |
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} |
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// set a boolean global flag using value from AttachOperation |
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236 |
static jint set_bool_flag(const char* name, AttachOperation* op, outputStream* out) { |
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bool value = true; |
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const char* arg1; |
|
239 |
if ((arg1 = op->arg(1)) != NULL) { |
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int tmp; |
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int n = sscanf(arg1, "%d", &tmp); |
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if (n != 1) { |
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out->print_cr("flag value must be a boolean (1 or 0)"); |
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return JNI_ERR; |
245 |
} |
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value = (tmp != 0); |
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} |
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bool res = CommandLineFlags::boolAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
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if (! res) { |
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out->print_cr("setting flag %s failed", name); |
|
251 |
} |
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252 |
return res? JNI_OK : JNI_ERR; |
|
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} |
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254 |
||
255 |
// set a intx global flag using value from AttachOperation |
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256 |
static jint set_intx_flag(const char* name, AttachOperation* op, outputStream* out) { |
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intx value; |
|
258 |
const char* arg1; |
|
259 |
if ((arg1 = op->arg(1)) != NULL) { |
|
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int n = sscanf(arg1, INTX_FORMAT, &value); |
|
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if (n != 1) { |
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out->print_cr("flag value must be an integer"); |
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return JNI_ERR; |
264 |
} |
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} |
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bool res = CommandLineFlags::intxAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
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if (! res) { |
268 |
out->print_cr("setting flag %s failed", name); |
|
269 |
} |
|
270 |
||
271 |
return res? JNI_OK : JNI_ERR; |
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272 |
} |
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||
274 |
// set a uintx global flag using value from AttachOperation |
|
275 |
static jint set_uintx_flag(const char* name, AttachOperation* op, outputStream* out) { |
|
276 |
uintx value; |
|
277 |
const char* arg1; |
|
278 |
if ((arg1 = op->arg(1)) != NULL) { |
|
279 |
int n = sscanf(arg1, UINTX_FORMAT, &value); |
|
280 |
if (n != 1) { |
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out->print_cr("flag value must be an unsigned integer"); |
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return JNI_ERR; |
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} |
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} |
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|
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if (strncmp(name, "MaxHeapFreeRatio", 17) == 0) { |
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FormatBuffer<80> err_msg(""); |
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if (!Arguments::verify_MaxHeapFreeRatio(err_msg, value)) { |
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out->print_cr(err_msg.buffer()); |
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return JNI_ERR; |
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} |
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} else if (strncmp(name, "MinHeapFreeRatio", 17) == 0) { |
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FormatBuffer<80> err_msg(""); |
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if (!Arguments::verify_MinHeapFreeRatio(err_msg, value)) { |
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out->print_cr(err_msg.buffer()); |
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return JNI_ERR; |
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} |
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} |
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bool res = CommandLineFlags::uintxAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
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if (! res) { |
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out->print_cr("setting flag %s failed", name); |
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} |
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|
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return res? JNI_OK : JNI_ERR; |
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} |
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|
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// set a uint64_t global flag using value from AttachOperation |
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static jint set_uint64_t_flag(const char* name, AttachOperation* op, outputStream* out) { |
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uint64_t value; |
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const char* arg1; |
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311 |
if ((arg1 = op->arg(1)) != NULL) { |
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312 |
int n = sscanf(arg1, UINT64_FORMAT, &value); |
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313 |
if (n != 1) { |
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out->print_cr("flag value must be an unsigned 64-bit integer"); |
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315 |
return JNI_ERR; |
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|
316 |
} |
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317 |
} |
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bool res = CommandLineFlags::uint64_tAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
1 | 319 |
if (! res) { |
320 |
out->print_cr("setting flag %s failed", name); |
|
321 |
} |
|
322 |
||
323 |
return res? JNI_OK : JNI_ERR; |
|
324 |
} |
|
325 |
||
326 |
// set a string global flag using value from AttachOperation |
|
327 |
static jint set_ccstr_flag(const char* name, AttachOperation* op, outputStream* out) { |
|
328 |
const char* value; |
|
329 |
if ((value = op->arg(1)) == NULL) { |
|
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330 |
out->print_cr("flag value must be a string"); |
1 | 331 |
return JNI_ERR; |
332 |
} |
|
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333 |
bool res = CommandLineFlags::ccstrAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
1 | 334 |
if (res) { |
13195 | 335 |
FREE_C_HEAP_ARRAY(char, value, mtInternal); |
1 | 336 |
} else { |
337 |
out->print_cr("setting flag %s failed", name); |
|
338 |
} |
|
339 |
||
340 |
return res? JNI_OK : JNI_ERR; |
|
341 |
} |
|
342 |
||
343 |
// Implementation of "setflag" command |
|
344 |
static jint set_flag(AttachOperation* op, outputStream* out) { |
|
345 |
||
346 |
const char* name = NULL; |
|
347 |
if ((name = op->arg(0)) == NULL) { |
|
348 |
out->print_cr("flag name is missing"); |
|
349 |
return JNI_ERR; |
|
350 |
} |
|
351 |
||
352 |
Flag* f = Flag::find_flag((char*)name, strlen(name)); |
|
353 |
if (f && f->is_external() && f->is_writeable()) { |
|
354 |
if (f->is_bool()) { |
|
355 |
return set_bool_flag(name, op, out); |
|
356 |
} else if (f->is_intx()) { |
|
357 |
return set_intx_flag(name, op, out); |
|
358 |
} else if (f->is_uintx()) { |
|
359 |
return set_uintx_flag(name, op, out); |
|
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360 |
} else if (f->is_uint64_t()) { |
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|
361 |
return set_uint64_t_flag(name, op, out); |
1 | 362 |
} else if (f->is_ccstr()) { |
363 |
return set_ccstr_flag(name, op, out); |
|
364 |
} else { |
|
365 |
ShouldNotReachHere(); |
|
366 |
return JNI_ERR; |
|
367 |
} |
|
368 |
} else { |
|
369 |
return AttachListener::pd_set_flag(op, out); |
|
370 |
} |
|
371 |
} |
|
372 |
||
373 |
// Implementation of "printflag" command |
|
11441 | 374 |
// See also: PrintVMFlagsDCmd class |
1 | 375 |
static jint print_flag(AttachOperation* op, outputStream* out) { |
376 |
const char* name = NULL; |
|
377 |
if ((name = op->arg(0)) == NULL) { |
|
378 |
out->print_cr("flag name is missing"); |
|
379 |
return JNI_ERR; |
|
380 |
} |
|
381 |
Flag* f = Flag::find_flag((char*)name, strlen(name)); |
|
382 |
if (f) { |
|
383 |
f->print_as_flag(out); |
|
384 |
out->print_cr(""); |
|
385 |
} else { |
|
386 |
out->print_cr("no such flag '%s'", name); |
|
387 |
} |
|
388 |
return JNI_OK; |
|
389 |
} |
|
390 |
||
391 |
// Table to map operation names to functions. |
|
392 |
||
393 |
// names must be of length <= AttachOperation::name_length_max |
|
394 |
static AttachOperationFunctionInfo funcs[] = { |
|
395 |
{ "agentProperties", get_agent_properties }, |
|
396 |
{ "datadump", data_dump }, |
|
397 |
{ "dumpheap", dump_heap }, |
|
398 |
{ "load", JvmtiExport::load_agent_library }, |
|
399 |
{ "properties", get_system_properties }, |
|
400 |
{ "threaddump", thread_dump }, |
|
401 |
{ "inspectheap", heap_inspection }, |
|
402 |
{ "setflag", set_flag }, |
|
403 |
{ "printflag", print_flag }, |
|
11209 | 404 |
{ "jcmd", jcmd }, |
1 | 405 |
{ NULL, NULL } |
406 |
}; |
|
407 |
||
408 |
||
409 |
||
410 |
// The Attach Listener threads services a queue. It dequeues an operation |
|
411 |
// from the queue, examines the operation name (command), and dispatches |
|
412 |
// to the corresponding function to perform the operation. |
|
413 |
||
414 |
static void attach_listener_thread_entry(JavaThread* thread, TRAPS) { |
|
415 |
os::set_priority(thread, NearMaxPriority); |
|
416 |
||
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|
417 |
thread->record_stack_base_and_size(); |
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|
418 |
|
1 | 419 |
if (AttachListener::pd_init() != 0) { |
420 |
return; |
|
421 |
} |
|
422 |
AttachListener::set_initialized(); |
|
423 |
||
424 |
for (;;) { |
|
425 |
AttachOperation* op = AttachListener::dequeue(); |
|
426 |
if (op == NULL) { |
|
427 |
return; // dequeue failed or shutdown |
|
428 |
} |
|
429 |
||
430 |
ResourceMark rm; |
|
431 |
bufferedStream st; |
|
432 |
jint res = JNI_OK; |
|
433 |
||
434 |
// handle special detachall operation |
|
435 |
if (strcmp(op->name(), AttachOperation::detachall_operation_name()) == 0) { |
|
436 |
AttachListener::detachall(); |
|
437 |
} else { |
|
438 |
// find the function to dispatch too |
|
439 |
AttachOperationFunctionInfo* info = NULL; |
|
440 |
for (int i=0; funcs[i].name != NULL; i++) { |
|
441 |
const char* name = funcs[i].name; |
|
442 |
assert(strlen(name) <= AttachOperation::name_length_max, "operation <= name_length_max"); |
|
443 |
if (strcmp(op->name(), name) == 0) { |
|
444 |
info = &(funcs[i]); |
|
445 |
break; |
|
446 |
} |
|
447 |
} |
|
448 |
||
449 |
// check for platform dependent attach operation |
|
450 |
if (info == NULL) { |
|
451 |
info = AttachListener::pd_find_operation(op->name()); |
|
452 |
} |
|
453 |
||
454 |
if (info != NULL) { |
|
455 |
// dispatch to the function that implements this operation |
|
456 |
res = (info->func)(op, &st); |
|
457 |
} else { |
|
458 |
st.print("Operation %s not recognized!", op->name()); |
|
459 |
res = JNI_ERR; |
|
460 |
} |
|
461 |
} |
|
462 |
||
463 |
// operation complete - send result and output to client |
|
464 |
op->complete(res, &st); |
|
465 |
} |
|
466 |
} |
|
467 |
||
22197
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changeset
|
468 |
bool AttachListener::has_init_error(TRAPS) { |
41ea552a447d
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diff
changeset
|
469 |
if (HAS_PENDING_EXCEPTION) { |
41ea552a447d
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changeset
|
470 |
tty->print_cr("Exception in VM (AttachListener::init) : "); |
41ea552a447d
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changeset
|
471 |
java_lang_Throwable::print(PENDING_EXCEPTION, tty); |
41ea552a447d
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changeset
|
472 |
tty->cr(); |
41ea552a447d
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diff
changeset
|
473 |
|
41ea552a447d
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changeset
|
474 |
CLEAR_PENDING_EXCEPTION; |
41ea552a447d
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changeset
|
475 |
|
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
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parents:
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diff
changeset
|
476 |
return true; |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
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diff
changeset
|
477 |
} else { |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
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parents:
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diff
changeset
|
478 |
return false; |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
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parents:
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diff
changeset
|
479 |
} |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
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parents:
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diff
changeset
|
480 |
} |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
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parents:
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changeset
|
481 |
|
1 | 482 |
// Starts the Attach Listener thread |
483 |
void AttachListener::init() { |
|
484 |
EXCEPTION_MARK; |
|
22197
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changeset
|
485 |
Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), true, THREAD); |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
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diff
changeset
|
486 |
if (has_init_error(THREAD)) { |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
487 |
return; |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
488 |
} |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
489 |
|
1 | 490 |
instanceKlassHandle klass (THREAD, k); |
22197
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
491 |
instanceHandle thread_oop = klass->allocate_instance_handle(THREAD); |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
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diff
changeset
|
492 |
if (has_init_error(THREAD)) { |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
493 |
return; |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
494 |
} |
1 | 495 |
|
496 |
const char thread_name[] = "Attach Listener"; |
|
22197
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
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diff
changeset
|
497 |
Handle string = java_lang_String::create_from_str(thread_name, THREAD); |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
498 |
if (has_init_error(THREAD)) { |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
499 |
return; |
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
500 |
} |
1 | 501 |
|
502 |
// Initialize thread_oop to put it into the system threadGroup |
|
503 |
Handle thread_group (THREAD, Universe::system_thread_group()); |
|
504 |
JavaValue result(T_VOID); |
|
505 |
JavaCalls::call_special(&result, thread_oop, |
|
506 |
klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
507 |
vmSymbols::object_initializer_name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
508 |
vmSymbols::threadgroup_string_void_signature(), |
1 | 509 |
thread_group, |
510 |
string, |
|
20067
e0337f5f9f5a
6989981: jstack causes "fatal error: ExceptionMark destructor expects no pending exceptions"
sla
parents:
18025
diff
changeset
|
511 |
THREAD); |
e0337f5f9f5a
6989981: jstack causes "fatal error: ExceptionMark destructor expects no pending exceptions"
sla
parents:
18025
diff
changeset
|
512 |
|
22197
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
513 |
if (has_init_error(THREAD)) { |
20067
e0337f5f9f5a
6989981: jstack causes "fatal error: ExceptionMark destructor expects no pending exceptions"
sla
parents:
18025
diff
changeset
|
514 |
return; |
e0337f5f9f5a
6989981: jstack causes "fatal error: ExceptionMark destructor expects no pending exceptions"
sla
parents:
18025
diff
changeset
|
515 |
} |
1 | 516 |
|
4571 | 517 |
KlassHandle group(THREAD, SystemDictionary::ThreadGroup_klass()); |
1 | 518 |
JavaCalls::call_special(&result, |
519 |
thread_group, |
|
520 |
group, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
521 |
vmSymbols::add_method_name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
522 |
vmSymbols::thread_void_signature(), |
1 | 523 |
thread_oop, // ARG 1 |
20067
e0337f5f9f5a
6989981: jstack causes "fatal error: ExceptionMark destructor expects no pending exceptions"
sla
parents:
18025
diff
changeset
|
524 |
THREAD); |
22197
41ea552a447d
6730115: Fastdebug VM crashes with "ExceptionMark destructor expects no pending exceptions" error
zgu
parents:
20291
diff
changeset
|
525 |
if (has_init_error(THREAD)) { |
20067
e0337f5f9f5a
6989981: jstack causes "fatal error: ExceptionMark destructor expects no pending exceptions"
sla
parents:
18025
diff
changeset
|
526 |
return; |
e0337f5f9f5a
6989981: jstack causes "fatal error: ExceptionMark destructor expects no pending exceptions"
sla
parents:
18025
diff
changeset
|
527 |
} |
1 | 528 |
|
529 |
{ MutexLocker mu(Threads_lock); |
|
530 |
JavaThread* listener_thread = new JavaThread(&attach_listener_thread_entry); |
|
531 |
||
532 |
// Check that thread and osthread were created |
|
533 |
if (listener_thread == NULL || listener_thread->osthread() == NULL) { |
|
534 |
vm_exit_during_initialization("java.lang.OutOfMemoryError", |
|
22758
c6b6abb73544
7182040: volano29 limited by os resource on Linux - need better diagnostic message
iklam
parents:
22555
diff
changeset
|
535 |
os::native_thread_creation_failed_msg()); |
1 | 536 |
} |
537 |
||
538 |
java_lang_Thread::set_thread(thread_oop(), listener_thread); |
|
539 |
java_lang_Thread::set_daemon(thread_oop()); |
|
540 |
||
541 |
listener_thread->set_threadObj(thread_oop()); |
|
542 |
Threads::add(listener_thread); |
|
543 |
Thread::start(listener_thread); |
|
544 |
} |
|
545 |
} |
|
546 |
||
547 |
// Performs clean-up tasks on platforms where we can detect that the last |
|
548 |
// client has detached |
|
549 |
void AttachListener::detachall() { |
|
550 |
// call the platform dependent clean-up |
|
551 |
pd_detachall(); |
|
552 |
} |