src/trex_watchdog.h
void io_begin() {
        /**
         * holds a ref cnt 
         * a thread might start many IO operations 
         */
        m_io_ref_cnt++;
        set_timeout(IO_TIMEOUT_SEC);
    }
/**
     * not thread safe 
     * call from current thread only 
     */
not thread safe
call from current thread only
not thread safe call from current thread only
void io_begin() {
        m_io_ref_cnt++;
        set_timeout(IO_TIMEOUT_SEC);
    }
void io_begin ( ) { m_io_ref_cnt ++ ; set_timeout ( IO_TIMEOUT_SEC ) ; }
not thread safe
 call from current thread only
not thread safe call from current thread only
/**
         * holds a ref cnt 
         * a thread might start many IO operations 
         */