Function fdinfo_read

test/fdinfo.c:27–56

static int warned;

static void fdinfo_read(struct io_uring *ring)
{
	char fd_name[128];
	char *buf;
	int fd;

	buf = malloc(4096);

	sprintf(fd_name, "/proc/self/fdinfo/%d", ring->ring_fd);
	fd = open(fd_name, O_RDONLY);
	if (fd < 0) {
		perror("open");
		return;
	}

	do {
		int ret = read(fd, buf, 4096);

		if (ret < 0) {
			perror("fdinfo read");
			break;
		} else if (ret == 4096) {
			continue;
		}
		break;
	} while (1);

	close(fd);
	free(buf);
}

static int __test_io(const char *file, struct io_uring *ring, int write,
		     int buffered, int sqthread, int fixed, int nonvec,