688 // initialize signal mask for this thread
689 os::Linux::hotspot_sigmask(thread);
690
691 // initialize floating point control register
692 os::Linux::init_thread_fpu_state();
693
694 // handshaking with parent thread
695 {
696 MutexLockerEx ml(sync, Mutex::_no_safepoint_check_flag);
697
698 // notify parent thread
699 osthread->set_state(INITIALIZED);
700 sync->notify_all();
701
702 // wait until os::start_thread()
703 while (osthread->get_state() == INITIALIZED) {
704 sync->wait(Mutex::_no_safepoint_check_flag);
705 }
706 }
707
708 // call one more level start routine
709 thread->call_run();
710
711 // Note: at this point the thread object may already have deleted itself.
712 // Prevent dereferencing it from here on out.
713 thread = NULL;
714
715 log_info(os, thread)("Thread finished (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ").",
716 os::current_thread_id(), (uintx) pthread_self());
717
718 return 0;
719 }
720
721 bool os::create_thread(Thread* thread, ThreadType thr_type,
722 size_t req_stack_size) {
723 assert(thread->osthread() == NULL, "caller responsible");
724
725 // Allocate the OSThread object
726 OSThread* osthread = new OSThread(NULL, NULL);
727 if (osthread == NULL) {
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688 // initialize signal mask for this thread
689 os::Linux::hotspot_sigmask(thread);
690
691 // initialize floating point control register
692 os::Linux::init_thread_fpu_state();
693
694 // handshaking with parent thread
695 {
696 MutexLockerEx ml(sync, Mutex::_no_safepoint_check_flag);
697
698 // notify parent thread
699 osthread->set_state(INITIALIZED);
700 sync->notify_all();
701
702 // wait until os::start_thread()
703 while (osthread->get_state() == INITIALIZED) {
704 sync->wait(Mutex::_no_safepoint_check_flag);
705 }
706 }
707
708 assert(osthread->pthread_id() != 0, "pthread_id was not set as expected");
709
710 // call one more level start routine
711 thread->call_run();
712
713 // Note: at this point the thread object may already have deleted itself.
714 // Prevent dereferencing it from here on out.
715 thread = NULL;
716
717 log_info(os, thread)("Thread finished (tid: " UINTX_FORMAT ", pthread id: " UINTX_FORMAT ").",
718 os::current_thread_id(), (uintx) pthread_self());
719
720 return 0;
721 }
722
723 bool os::create_thread(Thread* thread, ThreadType thr_type,
724 size_t req_stack_size) {
725 assert(thread->osthread() == NULL, "caller responsible");
726
727 // Allocate the OSThread object
728 OSThread* osthread = new OSThread(NULL, NULL);
729 if (osthread == NULL) {
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