ruby_thread_from_native 1475 thread.c           rb_thread_t *th = ruby_thread_from_native();
ruby_thread_from_native 1517 thread.c           rb_thread_t *th = ruby_thread_from_native();
ruby_thread_from_native 4849 thread.c           rb_thread_t *th = ruby_thread_from_native();
ruby_thread_from_native  227 thread_win32.c     return w32_wait_events(events, num, timeout, ruby_thread_from_native());
ruby_thread_from_native  236 thread_win32.c 		    ubf_handle, ruby_thread_from_native(), FALSE);
ruby_thread_from_native  281 thread_win32.c     return w32_wait_events(0, 0, msec, ruby_thread_from_native());
ruby_thread_from_native  290 thread_win32.c 		    ubf_handle, ruby_thread_from_native(), FALSE);