return t1.tv_sec < t2.tv_sec || (t1.tv_sec == t2.tv_sec && t1.tv_usec < t2.tv_usec);
}
+static inline bool operator<=( const timeval &t1, const timeval &t2 )
+{
+ return t1.tv_sec < t2.tv_sec || (t1.tv_sec == t2.tv_sec && t1.tv_usec <= t2.tv_usec);
+}
+
static inline timeval &operator+=( timeval &t1, const timeval &t2 )
{
t1.tv_sec += t2.tv_sec;