<varname>timeout_usec</varname>. See
<citerefentry><refentrytitle>clock_gettime</refentrytitle><manvolnum>2</manvolnum></citerefentry>
for details about
- <constant>CLOCK_MONOTONIC</constant>. If there's no
- timeout to wait for this will fill in
+ <constant>CLOCK_MONOTONIC</constant>. If there is no
+ timeout to wait for, this will fill in
<constant>(uint64_t) -1</constant> instead. Note that
<function>poll()</function> takes a relative timeout
in milliseconds rather than an absolute timeout in