="l00067"></a><span class="lineno">   67</span>&#160;    ts.tv_nsec = static_cast&lt;long&gt;(</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        std::chrono::duration_cast&lt;std::chrono::nanoseconds&gt;(</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            rel_duration - sec)</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;            .count());</div><div class="line"><a name="l00071"></a><