COMMON_TIMEOUT_MICROSECONDS_MASK  170 opal/mca/event/libevent2022/libevent/bufferevent_ratelim.c 	    (tick_len->tv_usec & COMMON_TIMEOUT_MICROSECONDS_MASK)/1000;
COMMON_TIMEOUT_MICROSECONDS_MASK 1094 opal/mca/event/libevent2022/libevent/event.c #define MICROSECONDS_MASK       COMMON_TIMEOUT_MICROSECONDS_MASK