os::create_main_thread(JavaThread* thread)

//Linux版(jdk7/hotspot/src/os/linux/vm/os_linux.cpp)
// bootstrap the main thread
bool os::create_main_thread(JavaThread* thread) {
  assert(os::Linux::_main_thread == pthread_self(), "should be called inside main thread");
  return create_attached_thread(thread);
}