Function main

examples/io_uring-cp.c:249–282

}

int main(int argc, char *argv[])
{
	struct io_uring ring;
	off_t insize;
	int ret;

	if (argc < 3) {
		printf("%s: infile outfile\n", argv[0]);
		return 1;
	}

	infd = open(argv[1], O_RDONLY);
	if (infd < 0) {
		perror("open infile");
		return 1;
	}
	outfd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, 0644);
	if (outfd < 0) {
		perror("open outfile");
		return 1;
	}

	if (setup_context(QD, &ring))
		return 1;
	if (get_file_size(infd, &insize))
		return 1;

	ret = copy_file(&ring, insize);

	close(infd);
	close(outfd);
	io_uring_queue_exit(&ring);
	return ret;
}