r0 = io_uring_setup(0x342f, &(0x7f0000000000))
r1 = eventfd2(0x0, 0x0)
io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r0, 0x7, &(0x7f0000000200)=r1, 0x1)
io_uring_register$IORING_UNREGISTER_EVENTFD(r0, 0x5, 0x0, 0x0)
pipe2(0x0, 0x0)