Function main

test/splice.c:444–514

}

int main(int argc, char *argv[])
{
	struct io_uring ring;
	struct io_uring_params p = { };
	struct test_ctx ctx;
	int ret;
	int reg_fds[6];

	if (argc > 1)
		return 0;

	ret = io_uring_queue_init_params(8, &ring, &p);
	if (ret) {
		fprintf(stderr, "ring setup failed\n");
		return 1;
	}
	if (!(p.features & IORING_FEAT_FAST_POLL)) {
		fprintf(stdout, "No splice support, skipping\n");
		return 0;
	}

	ret = init_splice_ctx(&ctx);
	if (ret) {
		fprintf(stderr, "init failed %i %i\n", ret, errno);
		return 1;
	}

	check_splice_support(&ring, &ctx);
	if (!has_splice)
		fprintf(stdout, "skip, doesn't support splice()\n");
	check_tee_support(&ring, &ctx);
	if (!has_tee)
		fprintf(stdout, "skip, doesn't support tee()\n");

	ret = test_splice(&ring, &ctx);
	if (ret) {
		fprintf(stderr, "basic splice tests failed\n");
		return ret;
	}

	reg_fds[0] = ctx.real_pipe1[0];
	reg_fds[1] = ctx.real_pipe1[1];
	reg_fds[2] = ctx.real_pipe2[0];
	reg_fds[3] = ctx.real_pipe2[1];
	reg_fds[4] = ctx.real_fd_in;
	reg_fds[5] = ctx.real_fd_out;
	ret = io_uring_register_files(&ring, reg_fds, 6);
	if (ret) {
		fprintf(stderr, "%s: register ret=%d\n", __FUNCTION__, ret);
		return 1;
	}

	/* remap fds to registered */
	ctx.pipe1[0] = 0;
	ctx.pipe1[1] = 1;
	ctx.pipe2[0] = 2;
	ctx.pipe2[1] = 3;
	ctx.fd_in = 4;