&tv_sec || ($tvp)-> &tv_usec)); }' unless defined(&timerisset); eval 'sub timerclear { my($tvp) = @_; eval q((($tvp)-> &tv_sec = ($tvp)-> &tv_usec = 0)); }' unless defined(&timerclear); eval 'sub timercmp { my($a, $b, $CMP) = @_; eval q(((($a)-> &tv_sec == ($b)-> &tv_sec) ? (($a)-> &tv_usec $CMP ($b)-> &tv_usec) : (($a)-> &tv_sec $CMP ($b)-> &tv_sec))); }' unless defined(&timercmp); eval 'sub timeradd { my($a, $b, $result) = @_; eval q( &do { ($result)-> &tv_sec = ($a)-> &tv_sec + ($b)-> &tv_sec; ($result)-> &tv_usec = ($a)-> &tv_usec + ($b)-> &tv_usec; &if (($result)-> &tv_usec >= 1000000) { ++($result)-> &tv_sec; ($result)-> &tv_usec -= 1000000; } } &while (0)); }' unless defined(&timeradd); eval 'sub timersub { my($a, $b, $result) = @_; eval q( &do { ($result)-> &tv_sec = ($a)-> &tv_sec - ($b)-> &tv_sec; ($result)-> &tv_usec = ($a)-> &tv_usec - ($b)-> &tv_usec; &if (($result)-> &tv_usec < 0) { --($result)-> &tv_sec; ($result)-> &tv_usec += 1000000; } } &while (0)); }' unless defined(&timersub); } } 1;