Function test_del

test/epwait.c:108–160

}

static int test_del(struct io_uring *ring, int efd)
{
	struct io_uring_sqe *sqe;
	struct io_uring_cqe *cqe;
	struct epoll_event ev, out[2];
	int i, ret;
	char tmp[16];

	memset(out, 0, sizeof(out));
	sqe = io_uring_get_sqe(ring);
	io_uring_prep_epoll_wait(sqe, efd, out, 2, 0);
	sqe->user_data = 1;
	io_uring_submit(ring);

	ev.events = EPOLLIN;
	ev.data.fd = fds[0][0];
	ret = epoll_ctl(efd, EPOLL_CTL_DEL, fds[0][0], &ev);
	if (ret < 0) {
		perror("epoll_ctl");
		return T_EXIT_FAIL;
	}

	for (i = 0; i < 2; i++) {
		ret = write(fds[i][1], "foo", 3);
		if (ret < 0)
			perror("write");
	}

	for (i = 0; i < 1; i++) {
		ret = io_uring_wait_cqe(ring, &cqe);
		if (ret) {
			fprintf(stderr, "wait_cqe ret = %d\n", ret);
			break;
		}
		io_uring_cqe_seen(ring, cqe);
	}

	for (i = 0; i < 2; i++) {
		ret = read(fds[i][0], tmp, sizeof(tmp));
		if (ret < 0)
			perror("read");
	}

	ev.events = EPOLLIN;
	ev.data.fd = fds[0][0];
	ret = epoll_ctl(efd, EPOLL_CTL_ADD, fds[0][0], &ev);
	if (ret < 0) {
		perror("epoll_ctl");
		return T_EXIT_FAIL;
	}

	return 0;
}

static int test_remove(struct io_uring *ring, int efd)
{