RE: [PATCH 5/6] tools: hv: Add new fcopy application based on uio driver

[Long Li]

> +			/* Signal host */
> +			if ((write(fcopy_fd, &tmp, sizeof(int))) != sizeof(int)) {
> +				ret = errno;
> +				syslog(LOG_ERR, "Registration failed: %s\n",
> strerror(ret));

"Signaling failed" is a better word?