- next = slots.begin()->slot;
- const TimeStamp &stamp = next->get_timeout();
- const TimeStamp t = now();
- if(stamp<=t)
- break;
- else if(block)
- sem.wait(stamp-t);
+ if(timeout && (!deadline || t<deadline))
+ {
+ SetFlag setf(blocking);
+ mutex.unlock();
+ if(stamp && (!deadline || stamp<deadline))
+ sem.wait(stamp-t);
+ else if(deadline)
+ sem.wait(deadline-t);
+ else
+ sem.wait();
+ mutex.lock();
+ // The slots may have changed while waiting so check again
+ continue;
+ }