aight away
(so 0 may be returned if the file descriptor is not available for
writing because of insufficient space).  On a write error other than
EAGAIN, EWOULDBLOCK or EINTR, a &rsquo;c-write-error exception is thrown and
errno is given as an argument to the exception handler.  EINTR is
handled internally and is not an error.
</p>
<p>This procedure is first available in version 0.11 of this library.
</p></dd></dl>

<p>The (a-sync event-loop) module also loads the <a href="monotonic-time.html">(a-sync monot