Stack ss[MAX_PLY_PLUS_2];
Position pos(*sp->pos);
- Thread* master = sp->master;
memcpy(ss, sp->ss - 1, 4 * sizeof(Stack));
(ss+1)->sp = sp;
sp->slavesMask &= ~(1ULL << idx);
sp->nodes += pos.nodes_searched();
- // After releasing the lock we cannot access anymore any SplitPoint
- // related data in a reliably way becuase it could have been released
- // under our feet by the sp master.
- lock_release(sp->lock);
-
// Wake up master thread so to allow it to return from the idle loop in
// case we are the last slave of the split point.
if ( Threads.use_sleeping_threads()
- && this != master
- && !master->is_searching)
- master->wake_up();
+ && this != sp->master
+ && !sp->master->is_searching)
+ sp->master->wake_up();
+
+ // After releasing the lock we cannot access anymore any SplitPoint
+ // related data in a safe way becuase it could have been released under
+ // our feet by the sp master. Also accessing other Thread objects is
+ // unsafe because if we are exiting there is a chance are already freed.
+ lock_release(sp->lock);
}
}
}