Symbol: WAITERMASK
usr/src/lib/libc/port/threads/synch.c
1717
if ((old_lockword & WAITERMASK) &&
usr/src/lib/libc/port/threads/synch.c
1750
if ((old_lockword & WAITERMASK) &&
usr/src/lib/libc/port/threads/synch.c
458
if (atomic_swap_32(&mp->mutex_lockword, 0) & WAITERMASK) {