684 // initialize signal mask for this thread
685 os::Linux::hotspot_sigmask(thread);
686
687 // initialize floating point control register
688 os::Linux::init_thread_fpu_state();
689
690 // handshaking with parent thread
691 {
692 MutexLockerEx ml(sync, Mutex::_no_safepoint_check_flag);
693
694 // notify parent thread
695 osthread->set_state(INITIALIZED);
696 sync->notify_all();
697
698 // wait until os::start_thread()
699 while (osthread->get_state() == INITIALIZED) {
700 sync->wait(Mutex::_no_safepoint_check_flag);
701 }
702 }
703
704 // call one more level start routine
705 thread->call_run();
706
707 // Note: at this point the thread object may already have deleted itself.
708 // Prevent dereferencing it from here on out.
709 thread = NULL;
710
711 log_info(os, thread)("Thread finished (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ").",
712 os::current_thread_id(), (uintx) pthread_self());
713
714 return 0;
715 }
716
717 bool os::create_thread(Thread* thread, ThreadType thr_type,
718 size_t req_stack_size) {
719 assert(thread->osthread() == NULL, "caller responsible");
720
721 // Allocate the OSThread object
722 OSThread* osthread = new OSThread(NULL, NULL);
723 if (osthread == NULL) {
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684 // initialize signal mask for this thread
685 os::Linux::hotspot_sigmask(thread);
686
687 // initialize floating point control register
688 os::Linux::init_thread_fpu_state();
689
690 // handshaking with parent thread
691 {
692 MutexLockerEx ml(sync, Mutex::_no_safepoint_check_flag);
693
694 // notify parent thread
695 osthread->set_state(INITIALIZED);
696 sync->notify_all();
697
698 // wait until os::start_thread()
699 while (osthread->get_state() == INITIALIZED) {
700 sync->wait(Mutex::_no_safepoint_check_flag);
701 }
702 }
703
704 assert(osthread->pthread_id() != 0, "pthread_id was not set as expected");
705
706 // call one more level start routine
707 thread->call_run();
708
709 // Note: at this point the thread object may already have deleted itself.
710 // Prevent dereferencing it from here on out.
711 thread = NULL;
712
713 log_info(os, thread)("Thread finished (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ").",
714 os::current_thread_id(), (uintx) pthread_self());
715
716 return 0;
717 }
718
719 bool os::create_thread(Thread* thread, ThreadType thr_type,
720 size_t req_stack_size) {
721 assert(thread->osthread() == NULL, "caller responsible");
722
723 // Allocate the OSThread object
724 OSThread* osthread = new OSThread(NULL, NULL);
725 if (osthread == NULL) {
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