win_thr_h 1644 gc/tests/test.c HANDLE win_thr_h; win_thr_h 1659 gc/tests/test.c win_thr_h = GC_CreateThread(NULL, 0, thr_window, 0, 0, &thread_id); win_thr_h 1660 gc/tests/test.c if (win_thr_h == (HANDLE)NULL) { win_thr_h 1688 gc/tests/test.c if (WaitForSingleObject(win_thr_h, INFINITE) != WAIT_OBJECT_0)