Mercurial > hg > truffle
annotate src/share/vm/services/attachListener.cpp @ 20804:7848fc12602b
Merge with jdk8u40-b25
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Tue, 07 Apr 2015 14:58:49 +0200 |
| parents | 52b4284cb496 2545e461115b |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 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 | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/javaClasses.hpp" | |
| 27 #include "classfile/systemDictionary.hpp" | |
| 28 #include "gc_implementation/shared/vmGCOperations.hpp" | |
| 29 #include "memory/resourceArea.hpp" | |
| 30 #include "prims/jvmtiExport.hpp" | |
| 31 #include "runtime/arguments.hpp" | |
| 32 #include "runtime/globals.hpp" | |
| 33 #include "runtime/java.hpp" | |
| 34 #include "runtime/javaCalls.hpp" | |
| 35 #include "runtime/os.hpp" | |
| 36 #include "services/attachListener.hpp" | |
| 4133 | 37 #include "services/diagnosticCommand.hpp" |
| 1972 | 38 #include "services/heapDumper.hpp" |
| 0 | 39 |
| 40 volatile bool AttachListener::_initialized; | |
| 41 | |
| 42 // Implementation of "properties" command. | |
| 43 // | |
| 44 // Invokes sun.misc.VMSupport.serializePropertiesToByteArray to serialize | |
| 45 // the system properties into a byte array. | |
| 46 | |
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47 static Klass* load_and_initialize_klass(Symbol* sh, TRAPS) { |
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48 Klass* k = SystemDictionary::resolve_or_fail(sh, true, CHECK_NULL); |
| 0 | 49 instanceKlassHandle ik (THREAD, k); |
| 50 if (ik->should_be_initialized()) { | |
| 51 ik->initialize(CHECK_NULL); | |
| 52 } | |
| 53 return ik(); | |
| 54 } | |
| 55 | |
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56 static jint get_properties(AttachOperation* op, outputStream* out, Symbol* serializePropertiesMethod) { |
| 0 | 57 Thread* THREAD = Thread::current(); |
| 58 HandleMark hm; | |
| 59 | |
| 60 // load sun.misc.VMSupport | |
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61 Symbol* klass = vmSymbols::sun_misc_VMSupport(); |
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62 Klass* k = load_and_initialize_klass(klass, THREAD); |
| 0 | 63 if (HAS_PENDING_EXCEPTION) { |
| 64 java_lang_Throwable::print(PENDING_EXCEPTION, out); | |
| 65 CLEAR_PENDING_EXCEPTION; | |
| 66 return JNI_ERR; | |
| 67 } | |
| 68 instanceKlassHandle ik(THREAD, k); | |
| 69 | |
| 70 // invoke the serializePropertiesToByteArray method | |
| 71 JavaValue result(T_OBJECT); | |
| 72 JavaCallArguments args; | |
| 73 | |
| 74 | |
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75 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); |
| 0 | 76 JavaCalls::call_static(&result, |
| 77 ik, | |
| 78 serializePropertiesMethod, | |
| 79 signature, | |
| 80 &args, | |
| 81 THREAD); | |
| 82 if (HAS_PENDING_EXCEPTION) { | |
| 83 java_lang_Throwable::print(PENDING_EXCEPTION, out); | |
| 84 CLEAR_PENDING_EXCEPTION; | |
| 85 return JNI_ERR; | |
| 86 } | |
| 87 | |
| 88 // The result should be a [B | |
| 89 oop res = (oop)result.get_jobject(); | |
| 90 assert(res->is_typeArray(), "just checking"); | |
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91 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); |
| 0 | 92 |
| 93 // copy the bytes to the output stream | |
| 94 typeArrayOop ba = typeArrayOop(res); | |
| 95 jbyte* addr = typeArrayOop(res)->byte_at_addr(0); | |
| 96 out->print_raw((const char*)addr, ba->length()); | |
| 97 | |
| 98 return JNI_OK; | |
| 99 } | |
| 100 | |
| 101 // Implementation of "properties" command. | |
| 4773 | 102 // See also: PrintSystemPropertiesDCmd class |
| 0 | 103 static jint get_system_properties(AttachOperation* op, outputStream* out) { |
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104 return get_properties(op, out, vmSymbols::serializePropertiesToByteArray_name()); |
| 0 | 105 } |
| 106 | |
| 107 // Implementation of "agent_properties" command. | |
| 108 static jint get_agent_properties(AttachOperation* op, outputStream* out) { | |
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109 return get_properties(op, out, vmSymbols::serializeAgentPropertiesToByteArray_name()); |
| 0 | 110 } |
| 111 | |
| 112 // Implementation of "datadump" command. | |
| 113 // | |
| 114 // Raises a SIGBREAK signal so that VM dump threads, does deadlock detection, | |
| 115 // etc. In theory this command should only post a DataDumpRequest to any | |
| 116 // JVMTI environment that has enabled this event. However it's useful to | |
| 117 // trigger the SIGBREAK handler. | |
| 118 | |
| 119 static jint data_dump(AttachOperation* op, outputStream* out) { | |
| 120 if (!ReduceSignalUsage) { | |
| 121 AttachListener::pd_data_dump(); | |
| 122 } else { | |
| 123 if (JvmtiExport::should_post_data_dump()) { | |
| 124 JvmtiExport::post_data_dump(); | |
| 125 } | |
| 126 } | |
| 127 return JNI_OK; | |
| 128 } | |
| 129 | |
| 130 // Implementation of "threaddump" command - essentially a remote ctrl-break | |
| 4773 | 131 // See also: ThreadDumpDCmd class |
| 0 | 132 // |
| 133 static jint thread_dump(AttachOperation* op, outputStream* out) { | |
| 134 bool print_concurrent_locks = false; | |
| 135 if (op->arg(0) != NULL && strcmp(op->arg(0), "-l") == 0) { | |
| 136 print_concurrent_locks = true; | |
| 137 } | |
| 138 | |
| 139 // thread stacks | |
| 140 VM_PrintThreads op1(out, print_concurrent_locks); | |
| 141 VMThread::execute(&op1); | |
| 142 | |
| 143 // JNI global handles | |
| 144 VM_PrintJNI op2(out); | |
| 145 VMThread::execute(&op2); | |
| 146 | |
| 147 // Deadlock detection | |
| 148 VM_FindDeadlocks op3(out); | |
| 149 VMThread::execute(&op3); | |
| 150 | |
| 151 return JNI_OK; | |
| 152 } | |
| 153 | |
| 4133 | 154 // A jcmd attach operation request was received, which will now |
| 155 // dispatch to the diagnostic commands used for serviceability functions. | |
| 156 static jint jcmd(AttachOperation* op, outputStream* out) { | |
| 157 Thread* THREAD = Thread::current(); | |
| 158 // All the supplied jcmd arguments are stored as a single | |
| 159 // string (op->arg(0)). This is parsed by the Dcmd framework. | |
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160 DCmd::parse_and_execute(DCmd_Source_AttachAPI, out, op->arg(0), ' ', THREAD); |
| 4133 | 161 if (HAS_PENDING_EXCEPTION) { |
| 162 java_lang_Throwable::print(PENDING_EXCEPTION, out); | |
| 4773 | 163 out->cr(); |
| 4133 | 164 CLEAR_PENDING_EXCEPTION; |
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165 return JNI_ERR; |
| 4133 | 166 } |
| 167 return JNI_OK; | |
| 168 } | |
| 169 | |
| 0 | 170 // Implementation of "dumpheap" command. |
| 4773 | 171 // See also: HeapDumpDCmd class |
| 0 | 172 // |
| 173 // Input arguments :- | |
| 174 // arg0: Name of the dump file | |
| 175 // arg1: "-live" or "-all" | |
| 176 jint dump_heap(AttachOperation* op, outputStream* out) { | |
| 177 const char* path = op->arg(0); | |
| 178 if (path == NULL || path[0] == '\0') { | |
| 179 out->print_cr("No dump file specified"); | |
| 180 } else { | |
| 181 bool live_objects_only = true; // default is true to retain the behavior before this change is made | |
| 182 const char* arg1 = op->arg(1); | |
| 183 if (arg1 != NULL && (strlen(arg1) > 0)) { | |
| 184 if (strcmp(arg1, "-all") != 0 && strcmp(arg1, "-live") != 0) { | |
| 185 out->print_cr("Invalid argument to dumpheap operation: %s", arg1); | |
| 186 return JNI_ERR; | |
| 187 } | |
| 188 live_objects_only = strcmp(arg1, "-live") == 0; | |
| 189 } | |
| 190 | |
| 191 // Request a full GC before heap dump if live_objects_only = true | |
| 192 // This helps reduces the amount of unreachable objects in the dump | |
| 193 // and makes it easier to browse. | |
| 194 HeapDumper dumper(live_objects_only /* request GC */); | |
| 195 int res = dumper.dump(op->arg(0)); | |
| 196 if (res == 0) { | |
| 197 out->print_cr("Heap dump file created"); | |
| 198 } else { | |
| 199 // heap dump failed | |
| 200 ResourceMark rm; | |
| 201 char* error = dumper.error_as_C_string(); | |
| 202 if (error == NULL) { | |
| 203 out->print_cr("Dump failed - reason unknown"); | |
| 204 } else { | |
| 205 out->print_cr("%s", error); | |
| 206 } | |
| 207 } | |
| 208 } | |
| 209 return JNI_OK; | |
| 210 } | |
| 211 | |
| 212 // Implementation of "inspectheap" command | |
| 4773 | 213 // See also: ClassHistogramDCmd class |
| 0 | 214 // |
| 215 // Input arguments :- | |
| 216 // arg0: "-live" or "-all" | |
| 217 static jint heap_inspection(AttachOperation* op, outputStream* out) { | |
| 218 bool live_objects_only = true; // default is true to retain the behavior before this change is made | |
| 219 const char* arg0 = op->arg(0); | |
| 220 if (arg0 != NULL && (strlen(arg0) > 0)) { | |
| 221 if (strcmp(arg0, "-all") != 0 && strcmp(arg0, "-live") != 0) { | |
| 222 out->print_cr("Invalid argument to inspectheap operation: %s", arg0); | |
| 223 return JNI_ERR; | |
| 224 } | |
| 225 live_objects_only = strcmp(arg0, "-live") == 0; | |
| 226 } | |
| 10405 | 227 VM_GC_HeapInspection heapop(out, live_objects_only /* request full gc */); |
| 0 | 228 VMThread::execute(&heapop); |
| 229 return JNI_OK; | |
| 230 } | |
| 231 | |
| 232 // set a boolean global flag using value from AttachOperation | |
| 233 static jint set_bool_flag(const char* name, AttachOperation* op, outputStream* out) { | |
| 234 bool value = true; | |
| 235 const char* arg1; | |
| 236 if ((arg1 = op->arg(1)) != NULL) { | |
| 237 int tmp; | |
| 238 int n = sscanf(arg1, "%d", &tmp); | |
| 239 if (n != 1) { | |
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240 out->print_cr("flag value must be a boolean (1 or 0)"); |
| 0 | 241 return JNI_ERR; |
| 242 } | |
| 243 value = (tmp != 0); | |
| 244 } | |
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245 bool res = CommandLineFlags::boolAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
| 0 | 246 if (! res) { |
| 247 out->print_cr("setting flag %s failed", name); | |
| 248 } | |
| 249 return res? JNI_OK : JNI_ERR; | |
| 250 } | |
| 251 | |
| 252 // set a intx global flag using value from AttachOperation | |
| 253 static jint set_intx_flag(const char* name, AttachOperation* op, outputStream* out) { | |
| 254 intx value; | |
| 255 const char* arg1; | |
| 256 if ((arg1 = op->arg(1)) != NULL) { | |
| 257 int n = sscanf(arg1, INTX_FORMAT, &value); | |
| 258 if (n != 1) { | |
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259 out->print_cr("flag value must be an integer"); |
| 0 | 260 return JNI_ERR; |
| 261 } | |
| 262 } | |
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263 bool res = CommandLineFlags::intxAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
| 0 | 264 if (! res) { |
| 265 out->print_cr("setting flag %s failed", name); | |
| 266 } | |
| 267 | |
| 268 return res? JNI_OK : JNI_ERR; | |
| 269 } | |
| 270 | |
| 271 // set a uintx global flag using value from AttachOperation | |
| 272 static jint set_uintx_flag(const char* name, AttachOperation* op, outputStream* out) { | |
| 273 uintx value; | |
| 274 const char* arg1; | |
| 275 if ((arg1 = op->arg(1)) != NULL) { | |
| 276 int n = sscanf(arg1, UINTX_FORMAT, &value); | |
| 277 if (n != 1) { | |
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278 out->print_cr("flag value must be an unsigned integer"); |
| 0 | 279 return JNI_ERR; |
| 280 } | |
| 281 } | |
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282 |
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283 if (strncmp(name, "MaxHeapFreeRatio", 17) == 0) { |
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284 FormatBuffer<80> err_msg("%s", ""); |
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285 if (!Arguments::verify_MaxHeapFreeRatio(err_msg, value)) { |
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286 out->print_cr("%s", err_msg.buffer()); |
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287 return JNI_ERR; |
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288 } |
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289 } else if (strncmp(name, "MinHeapFreeRatio", 17) == 0) { |
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290 FormatBuffer<80> err_msg("%s", ""); |
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291 if (!Arguments::verify_MinHeapFreeRatio(err_msg, value)) { |
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292 out->print_cr("%s", err_msg.buffer()); |
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293 return JNI_ERR; |
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294 } |
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295 } |
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296 bool res = CommandLineFlags::uintxAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
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297 if (! res) { |
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298 out->print_cr("setting flag %s failed", name); |
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299 } |
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300 |
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301 return res? JNI_OK : JNI_ERR; |
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302 } |
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303 |
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304 // set a uint64_t global flag using value from AttachOperation |
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305 static jint set_uint64_t_flag(const char* name, AttachOperation* op, outputStream* out) { |
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306 uint64_t value; |
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307 const char* arg1; |
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308 if ((arg1 = op->arg(1)) != NULL) { |
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309 int n = sscanf(arg1, UINT64_FORMAT, &value); |
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310 if (n != 1) { |
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311 out->print_cr("flag value must be an unsigned 64-bit integer"); |
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312 return JNI_ERR; |
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313 } |
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314 } |
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315 bool res = CommandLineFlags::uint64_tAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
| 0 | 316 if (! res) { |
| 317 out->print_cr("setting flag %s failed", name); | |
| 318 } | |
| 319 | |
| 320 return res? JNI_OK : JNI_ERR; | |
| 321 } | |
| 322 | |
| 323 // set a string global flag using value from AttachOperation | |
| 324 static jint set_ccstr_flag(const char* name, AttachOperation* op, outputStream* out) { | |
| 325 const char* value; | |
| 326 if ((value = op->arg(1)) == NULL) { | |
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327 out->print_cr("flag value must be a string"); |
| 0 | 328 return JNI_ERR; |
| 329 } | |
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330 bool res = CommandLineFlags::ccstrAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND); |
| 0 | 331 if (res) { |
| 6197 | 332 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 333 } else { |
| 334 out->print_cr("setting flag %s failed", name); | |
| 335 } | |
| 336 | |
| 337 return res? JNI_OK : JNI_ERR; | |
| 338 } | |
| 339 | |
| 340 // Implementation of "setflag" command | |
| 341 static jint set_flag(AttachOperation* op, outputStream* out) { | |
| 342 | |
| 343 const char* name = NULL; | |
| 344 if ((name = op->arg(0)) == NULL) { | |
| 345 out->print_cr("flag name is missing"); | |
| 346 return JNI_ERR; | |
| 347 } | |
| 348 | |
| 349 Flag* f = Flag::find_flag((char*)name, strlen(name)); | |
| 350 if (f && f->is_external() && f->is_writeable()) { | |
| 351 if (f->is_bool()) { | |
| 352 return set_bool_flag(name, op, out); | |
| 353 } else if (f->is_intx()) { | |
| 354 return set_intx_flag(name, op, out); | |
| 355 } else if (f->is_uintx()) { | |
| 356 return set_uintx_flag(name, op, out); | |
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357 } else if (f->is_uint64_t()) { |
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358 return set_uint64_t_flag(name, op, out); |
| 0 | 359 } else if (f->is_ccstr()) { |
| 360 return set_ccstr_flag(name, op, out); | |
| 361 } else { | |
| 362 ShouldNotReachHere(); | |
| 363 return JNI_ERR; | |
| 364 } | |
| 365 } else { | |
| 366 return AttachListener::pd_set_flag(op, out); | |
| 367 } | |
| 368 } | |
| 369 | |
| 370 // Implementation of "printflag" command | |
| 4773 | 371 // See also: PrintVMFlagsDCmd class |
| 0 | 372 static jint print_flag(AttachOperation* op, outputStream* out) { |
| 373 const char* name = NULL; | |
| 374 if ((name = op->arg(0)) == NULL) { | |
| 375 out->print_cr("flag name is missing"); | |
| 376 return JNI_ERR; | |
| 377 } | |
| 378 Flag* f = Flag::find_flag((char*)name, strlen(name)); | |
| 379 if (f) { | |
| 380 f->print_as_flag(out); | |
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381 out->cr(); |
| 0 | 382 } else { |
| 383 out->print_cr("no such flag '%s'", name); | |
| 384 } | |
| 385 return JNI_OK; | |
| 386 } | |
| 387 | |
| 388 // Table to map operation names to functions. | |
| 389 | |
| 390 // names must be of length <= AttachOperation::name_length_max | |
| 391 static AttachOperationFunctionInfo funcs[] = { | |
| 392 { "agentProperties", get_agent_properties }, | |
| 393 { "datadump", data_dump }, | |
| 394 { "dumpheap", dump_heap }, | |
| 395 { "load", JvmtiExport::load_agent_library }, | |
| 396 { "properties", get_system_properties }, | |
| 397 { "threaddump", thread_dump }, | |
| 398 { "inspectheap", heap_inspection }, | |
| 399 { "setflag", set_flag }, | |
| 400 { "printflag", print_flag }, | |
| 4133 | 401 { "jcmd", jcmd }, |
| 0 | 402 { NULL, NULL } |
| 403 }; | |
| 404 | |
| 405 | |
| 406 | |
| 407 // The Attach Listener threads services a queue. It dequeues an operation | |
| 408 // from the queue, examines the operation name (command), and dispatches | |
| 409 // to the corresponding function to perform the operation. | |
| 410 | |
| 411 static void attach_listener_thread_entry(JavaThread* thread, TRAPS) { | |
| 412 os::set_priority(thread, NearMaxPriority); | |
| 413 | |
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414 thread->record_stack_base_and_size(); |
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415 |
| 0 | 416 if (AttachListener::pd_init() != 0) { |
| 417 return; | |
| 418 } | |
| 419 AttachListener::set_initialized(); | |
| 420 | |
| 421 for (;;) { | |
| 422 AttachOperation* op = AttachListener::dequeue(); | |
| 423 if (op == NULL) { | |
| 424 return; // dequeue failed or shutdown | |
| 425 } | |
| 426 | |
| 427 ResourceMark rm; | |
| 428 bufferedStream st; | |
| 429 jint res = JNI_OK; | |
| 430 | |
| 431 // handle special detachall operation | |
| 432 if (strcmp(op->name(), AttachOperation::detachall_operation_name()) == 0) { | |
| 433 AttachListener::detachall(); | |
| 434 } else { | |
| 435 // find the function to dispatch too | |
| 436 AttachOperationFunctionInfo* info = NULL; | |
| 437 for (int i=0; funcs[i].name != NULL; i++) { | |
| 438 const char* name = funcs[i].name; | |
| 439 assert(strlen(name) <= AttachOperation::name_length_max, "operation <= name_length_max"); | |
| 440 if (strcmp(op->name(), name) == 0) { | |
| 441 info = &(funcs[i]); | |
| 442 break; | |
| 443 } | |
| 444 } | |
| 445 | |
| 446 // check for platform dependent attach operation | |
| 447 if (info == NULL) { | |
| 448 info = AttachListener::pd_find_operation(op->name()); | |
| 449 } | |
| 450 | |
| 451 if (info != NULL) { | |
| 452 // dispatch to the function that implements this operation | |
| 453 res = (info->func)(op, &st); | |
| 454 } else { | |
| 455 st.print("Operation %s not recognized!", op->name()); | |
| 456 res = JNI_ERR; | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 // operation complete - send result and output to client | |
| 461 op->complete(res, &st); | |
| 462 } | |
| 463 } | |
| 464 | |
| 465 // Starts the Attach Listener thread | |
| 466 void AttachListener::init() { | |
| 467 EXCEPTION_MARK; | |
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468 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), true, CHECK); |
| 0 | 469 instanceKlassHandle klass (THREAD, k); |
| 470 instanceHandle thread_oop = klass->allocate_instance_handle(CHECK); | |
| 471 | |
| 472 const char thread_name[] = "Attach Listener"; | |
| 473 Handle string = java_lang_String::create_from_str(thread_name, CHECK); | |
| 474 | |
| 475 // Initialize thread_oop to put it into the system threadGroup | |
| 476 Handle thread_group (THREAD, Universe::system_thread_group()); | |
| 477 JavaValue result(T_VOID); | |
| 478 JavaCalls::call_special(&result, thread_oop, | |
| 479 klass, | |
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480 vmSymbols::object_initializer_name(), |
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481 vmSymbols::threadgroup_string_void_signature(), |
| 0 | 482 thread_group, |
| 483 string, | |
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484 THREAD); |
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485 |
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486 if (HAS_PENDING_EXCEPTION) { |
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487 tty->print_cr("Exception in VM (AttachListener::init) : "); |
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488 java_lang_Throwable::print(PENDING_EXCEPTION, tty); |
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489 tty->cr(); |
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490 |
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491 CLEAR_PENDING_EXCEPTION; |
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492 |
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493 return; |
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494 } |
| 0 | 495 |
| 1142 | 496 KlassHandle group(THREAD, SystemDictionary::ThreadGroup_klass()); |
| 0 | 497 JavaCalls::call_special(&result, |
| 498 thread_group, | |
| 499 group, | |
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500 vmSymbols::add_method_name(), |
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501 vmSymbols::thread_void_signature(), |
| 0 | 502 thread_oop, // ARG 1 |
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503 THREAD); |
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504 |
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505 if (HAS_PENDING_EXCEPTION) { |
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506 tty->print_cr("Exception in VM (AttachListener::init) : "); |
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507 java_lang_Throwable::print(PENDING_EXCEPTION, tty); |
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508 tty->cr(); |
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509 |
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510 CLEAR_PENDING_EXCEPTION; |
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511 |
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512 return; |
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513 } |
| 0 | 514 |
| 515 { MutexLocker mu(Threads_lock); | |
| 516 JavaThread* listener_thread = new JavaThread(&attach_listener_thread_entry); | |
| 517 | |
| 518 // Check that thread and osthread were created | |
| 519 if (listener_thread == NULL || listener_thread->osthread() == NULL) { | |
| 520 vm_exit_during_initialization("java.lang.OutOfMemoryError", | |
| 521 "unable to create new native thread"); | |
| 522 } | |
| 523 | |
| 524 java_lang_Thread::set_thread(thread_oop(), listener_thread); | |
| 525 java_lang_Thread::set_daemon(thread_oop()); | |
| 526 | |
| 527 listener_thread->set_threadObj(thread_oop()); | |
| 528 Threads::add(listener_thread); | |
| 529 Thread::start(listener_thread); | |
| 530 } | |
| 531 } | |
| 532 | |
| 533 // Performs clean-up tasks on platforms where we can detect that the last | |
| 534 // client has detached | |
| 535 void AttachListener::detachall() { | |
| 536 // call the platform dependent clean-up | |
| 537 pd_detachall(); | |
| 538 } |