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?