// This function will be called by the cup boy when he wishes to get a dirty cup to clean.
Cup* wash_dirty(){
return BB_pop(DBB);
}
// This function is called by a student after he places an order for a drink,
// while he waits for his order to be made.
// If there is a drink ready in the buffer, he will take it (denoted by the cup the drink was made in).
// If not, he will wait until a drink becomes available
Cup* get_drink(){
return BB_pop(DrinkBB);
}
// This function is called by a bartender whenever he wishes to make a drink and needs a clean cup for it.
// If there are no clean cups left, the bartender should wait until the cup boy returns with clean cups.
Cup* get_clean_cup(){
return BB_pop(CBB);
}
// This function is called by a bartender whenever one is free to deal with students’ actions.
// The Action located at the beginning of the buffer is returned and removed.
// If there are no actions, the bartender will wait until more actions arrive.
Action* get_action(){
return BB_pop(ABB);
}
struct Cup* get_drink()
{
struct Cup* c=(struct Cup*) BB_pop(drinkBB);
return c;
}
struct Action* get_action(void)
{
struct Action* ac=(struct Action*) BB_pop(bb);
printf(1, "\ngot action\n");
return ac;
}
struct Cup* wash_dirty()
{
struct Cup* c=(struct Cup*) BB_pop(dbb);
dc_count--;
return c;
}
struct Cup* get_clean_cup()
{
struct Cup* c=(struct Cup*) BB_pop(cbb);
return c;
}
