bool endOfRoad(int pos_X, int pos_Y, Road road)
{
if (pos_X >= 24 || pos_Y >= 24 || pos_X <= 0 || pos_Y <= 0)
{
road.GetRoadMutex(pos_X, pos_Y).WaitOne();
road.setSpaceFree(pos_X, pos_Y);
road.GetRoadMutex(pos_X, pos_Y).ReleaseMutex();
return(true);
}
return(false);
}
bool singleMove()
{
step();
road.GetRoadMutex(next_pos_X, next_pos_Y).WaitOne();
if (road.checkSpace(next_pos_X, next_pos_Y))
{
//you can go into next_pos
//zajmij miejsce ,zmien miejsce, zwolnij stare miejsce
road.setSpaceOccupied(next_pos_X, next_pos_Y);
old_pos_X = pos_X;
old_pos_Y = pos_Y;
pos_X = next_pos_X;
pos_Y = next_pos_Y;
shouldFree = true;
}
else
{
shouldFree = false;
}
road.GetRoadMutex(next_pos_X, next_pos_Y).ReleaseMutex();
//avoiding nested mutex lock!!!
if (shouldFree)
{//
road.GetRoadMutex(old_pos_X, old_pos_Y).WaitOne();
road.setSpaceFree(old_pos_X, old_pos_Y);
road.GetRoadMutex(old_pos_X, old_pos_Y).ReleaseMutex();
if (pos_X == 13 && pos_Y == 11)
{
unlockYourLane(road);
}
if (pos_X == 14 && pos_Y == 13)
{
unlockYourLane(road);
}
if (pos_X == 11 && pos_Y == 12)
{
unlockYourLane(road);
}
if (pos_X == 12 && pos_Y == 14)
{
unlockYourLane(road);
}
return(true);
}
return(false);
}