456 // Initialize thread_oop to put it into the system threadGroup
457 Handle thread_group (THREAD, Universe::system_thread_group());
458 JavaValue result(T_VOID);
459 JavaCalls::call_special(&result, thread_oop,
460 ik,
461 vmSymbols::object_initializer_name(),
462 vmSymbols::threadgroup_string_void_signature(),
463 thread_group,
464 string,
465 CHECK);
466
467 Klass* group = SystemDictionary::ThreadGroup_klass();
468 JavaCalls::call_special(&result,
469 thread_group,
470 group,
471 vmSymbols::add_method_name(),
472 vmSymbols::thread_void_signature(),
473 thread_oop, // ARG 1
474 CHECK);
475
476 os::signal_init_pd();
477
478 { MutexLocker mu(Threads_lock);
479 JavaThread* signal_thread = new JavaThread(&signal_thread_entry);
480
481 // At this point it may be possible that no osthread was created for the
482 // JavaThread due to lack of memory. We would have to throw an exception
483 // in that case. However, since this must work and we do not allow
484 // exceptions anyway, check and abort if this fails.
485 if (signal_thread == NULL || signal_thread->osthread() == NULL) {
486 vm_exit_during_initialization("java.lang.OutOfMemoryError",
487 os::native_thread_creation_failed_msg());
488 }
489
490 java_lang_Thread::set_thread(thread_oop(), signal_thread);
491 java_lang_Thread::set_priority(thread_oop(), NearMaxPriority);
492 java_lang_Thread::set_daemon(thread_oop());
493
494 signal_thread->set_threadObj(thread_oop());
495 Threads::add(signal_thread);
496 Thread::start(signal_thread);
497 }
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456 // Initialize thread_oop to put it into the system threadGroup
457 Handle thread_group (THREAD, Universe::system_thread_group());
458 JavaValue result(T_VOID);
459 JavaCalls::call_special(&result, thread_oop,
460 ik,
461 vmSymbols::object_initializer_name(),
462 vmSymbols::threadgroup_string_void_signature(),
463 thread_group,
464 string,
465 CHECK);
466
467 Klass* group = SystemDictionary::ThreadGroup_klass();
468 JavaCalls::call_special(&result,
469 thread_group,
470 group,
471 vmSymbols::add_method_name(),
472 vmSymbols::thread_void_signature(),
473 thread_oop, // ARG 1
474 CHECK);
475
476 { MutexLocker mu(Threads_lock);
477 JavaThread* signal_thread = new JavaThread(&signal_thread_entry);
478
479 // At this point it may be possible that no osthread was created for the
480 // JavaThread due to lack of memory. We would have to throw an exception
481 // in that case. However, since this must work and we do not allow
482 // exceptions anyway, check and abort if this fails.
483 if (signal_thread == NULL || signal_thread->osthread() == NULL) {
484 vm_exit_during_initialization("java.lang.OutOfMemoryError",
485 os::native_thread_creation_failed_msg());
486 }
487
488 java_lang_Thread::set_thread(thread_oop(), signal_thread);
489 java_lang_Thread::set_priority(thread_oop(), NearMaxPriority);
490 java_lang_Thread::set_daemon(thread_oop());
491
492 signal_thread->set_threadObj(thread_oop());
493 Threads::add(signal_thread);
494 Thread::start(signal_thread);
495 }
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