Function setup_context

examples/io_uring-udp.c:91–117

}

static int setup_context(struct ctx *ctx)
{
	struct io_uring_params params;
	int ret;

	memset(&params, 0, sizeof(params));
	params.cq_entries = QD * 8;
	params.flags = IORING_SETUP_SUBMIT_ALL | IORING_SETUP_COOP_TASKRUN |
		       IORING_SETUP_CQSIZE;

	ret = io_uring_queue_init_params(QD, &ctx->ring, &params);
	if (ret < 0) {
		fprintf(stderr, "queue_init failed: %s\n"
				"NB: This requires a kernel version >= 6.0\n",
				strerror(-ret));
		return ret;
	}

	ret = setup_buffer_pool(ctx);
	if (ret)
		io_uring_queue_exit(&ctx->ring);

	memset(&ctx->msg, 0, sizeof(ctx->msg));
	ctx->msg.msg_namelen = sizeof(struct sockaddr_storage);
	ctx->msg.msg_controllen = CONTROLLEN;
	return ret;
}

static int setup_sock(int af, int port)
{