r0 = io_uring_setup(0x55dd, &(0x7f0000000000)) r1 = eventfd(0x0) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r0, 0x7, &(0x7f0000000080)=r1, 0x1) close_range(r0, 0xffffffffffffffff, 0x0)