Function parent_loop

examples/proxy.c:2111–2135

* Main event loop, Submit our multishot accept request, and then just loop * around handling incoming connections. */

 * around handling incoming connections.
 */
static int parent_loop(struct io_uring *ring, int fd)
{
	struct io_uring_sqe *sqe;

	/*
	 * proxy provides a way to use either multishot receive or not, but
	 * for accept, we always use multishot. A multishot accept request
	 * needs only be armed once, and then it'll trigger a completion and
	 * post a CQE whenever a new connection is accepted. No need to do
	 * anything else, unless the multishot accept terminates. This happens
	 * if it encounters an error. Applications should check for
	 * IORING_CQE_F_MORE in cqe->flags - this tells you if more completions
	 * are expected from this request or not. Non-multishot never have
	 * this set, where multishot will always have this set unless an error
	 * occurs.
	 */
	sqe = get_sqe(ring);
	if (fixed_files)
		io_uring_prep_multishot_accept_direct(sqe, fd, NULL, NULL, 0);
	else
		io_uring_prep_multishot_accept(sqe, fd, NULL, NULL, 0);
	__encode_userdata(sqe, 0, __ACCEPT, 0, fd);

	return __event_loop(ring, NULL);
}

static int init_ring(struct io_uring *ring, int nr_files)
{