- lock_grab(oldest->lock);
- lock_grab(Threads.splitLock);
-
- // Retest all under lock protection, we are in the middle
- // of a race storm here !
- if ( !is_searching
- && th->splitPointsCnt
- && !oldest->cutoff
- && oldest->slavesMask == oldest->allSlavesMask
- && !single_bit(oldest->allSlavesMask))
- {
- oldest->slavesMask |= 1ULL << idx; // allSlavesMask is not updated
- curSplitPoint = oldest;
- is_searching = true;
- }
-
- lock_release(Threads.splitLock);
- lock_release(oldest->lock);
-
- break; // Exit anyhow, only one try (enough in 99% of cases)