int main() {
int i;
initTheater();
while(theaterDone == 0) {
if(theaterFull || (GetMV(totalCustomers,0)-(GetMV(totalCustomersServed,0)+GetMV(numSeatsOccupied,0))) <= (MAX_SEATS-GetMV(numSeatsOccupied,0)) || 1) {
Acquire(movieStatusLock);
movieStatus = 1;
Release(movieStatusLock);
Print("The MovieTechnician has started the movie.\n", -1, -1, -1);
movieLength = 50;
while(movieLength > 0) {
Yield();
movieLength--;
}
Acquire(movieStatusLock);
movieStatus = 2;
Release(movieStatusLock);
Print("The MovieTechnician has ended the movie.\n", -1, -1, -1);
Acquire(movieFinishedLock);
Broadcast(movieFinishedLockCV, movieFinishedLock);
Release(movieFinishedLock);
/* Free all seats for next movie */
for(i=0; i<NUM_ROWS; i++)
SetMV(freeSeatsInRow, NUM_COLS, i);
theaterFull = 0;
movieStarted = 0;
SetMV(numSeatsOccupied, 0, 0);
SetMV(totalTicketsTaken, 0, 0);
/* Tell Customers to go to theater */
if(GetMV(totalCustomers,0) != GetMV(totalCustomersServed,0)) {
Acquire(customerLobbyLock);
Broadcast(customerLobbyCV, customerLobbyLock);
Release(customerLobbyLock);
}
Print("The MovieTechnician has told all customers to leave the theater room.\n", -1, -1, -1);
}
if(movieStatus == -1) {
Yield();
} else {
while(((GetMV(numSeatsOccupied,0) < MAX_SEATS) && (GetMV(numSeatsOccupied,0) < GetMV(totalCustomers,0)))
|| ((GetMV(numSeatsOccupied,0) == 0) && (GetMV(totalCustomersServed,0) == 0))) {
/* Print("THERE ARE %d CUSTOMERS AND %d OF THE BITCHES ARE IN THEIR SEATS\n", GetMV(totalCustomers,0), GetMV(numSeatsOccupied,0), -1);*/
Yield();
}
/* Acquire(movieStatusLock);
Wait(movieStatusLockCV, movieStatusLock); /* Wait until manager says it's time to start the movie */
/* Release(movieStatusLock);*/
}
if((GetMV(totalCustomers, 0) <= 0) && (GetMV(totalCustomersServed, 0) > 0)) {
Print("\n Everyone has left, Manager is closing the theater. Good work boys!\n\n", -1, -1 ,-1);
break;
}
}
Exit(0);
return 0;
}
void Customer()
{
int CustID=-1;
int myOT=-1;
int i=0;
int j=0;
int NoOfEatIn=0;
Acquire(CustCountLock);
CustID = CustCount++;
Release(CustCountLock);
Acquire(custLineLock);
Acquire(OTStatusUpdateLock);
for(i=0;i<PersonCount.NoOfOT;i++)
{
if(FREE == OrderTakerStatus[i]) /*checking for a free order taker*/
{
OrderTakerStatus[i] = BUSY;/*make ith (my) OT busy*/
myOT=i;
break;
}
}
i=0;
Release(OTStatusUpdateLock);
/*Here either I know who is my OT or there are no OT for me*/
if(-1==myOT) /*get in line*/
{
custLineLength++;
/*Print1("Customer[%d] has NO OrderTakers, Snoozing!\n", CustID);*/
Wait(custWaitingCV,custLineLock);
/*Print1("Waiting Customer[%d] is signalled by OT\n", CustID);*/
}
Release(custLineLock);
/*Get a waiting OT*/
Acquire(OTStatusUpdateLock);
for(j=0;j<PersonCount.NoOfOT;j++)
{
if (WAITING == OrderTakerStatus[j])
{
myOT=j;
OrderTakerStatus[j]=BUSY;
break;
}
}
j=0;
Release(OTStatusUpdateLock);
/*Allow OT to manipluate CustLineLength*/
/*By here, Customer is aware of his OT and ready to order his/her food*/
Acquire(SigCustListLock);
SigCustList[CustID]=myOT;
Release(SigCustListLock);
Print2("Customer[%d] is giving order to OrderTaker[%d]\n",CustID,myOT);
Acquire(CustDataLock);
if(CustData[CustID].Food[0] == 0)
Print1("Customer[%d] is NOT ordering 6-dollar burger\n", CustID);
else
Print1("Customer[%d] is ordering 6-dollar burger\n", CustID);
if(CustData[CustID].Food[1] == 0)
Print1("Customer[%d] is NOT ordering 3-dollar burger\n", CustID);
else
Print1("Customer[%d] is ordering 3-dollar burger\n", CustID);
if(CustData[CustID].Food[2] == 0)
Print1("Customer[%d] is NOT ordering veggie burger\n", CustID);
else
Print1("Customer[%d] is ordering veggie burger\n", CustID);
if(CustData[CustID].Food[3] == 0)
Print1("Customer[%d] is NOT ordering French fries\n", CustID);
else
Print1("Customer[%d] is ordering French fries\n", CustID);
if(CustData[CustID].Food[4] == 0)
Print1("Customer[%d] is NOT ordering Soda\n", CustID);
else
Print1("Customer[%d] is ordering Soda\n", CustID);
Release(CustDataLock);
NoOfEatIn = (2*(PersonCount.NoOfCust))/3;
if(CustID <= NoOfEatIn )
{
Print1("Customer [%d] chooses to Eat-in the food\n",CustID);
}
else
{
Print1("Customer [%d] chooses to To-go the food\n",CustID);
}
/*Wake-up the WAITING OT who is waiting for my order.*/
Acquire(OrderTakerLock[myOT]);
Signal(OTWaitingCV[myOT],OrderTakerLock[myOT]);
/*Print1("Customer[%d] is waiting for OT to respond for orders(2nd wait)\n", CustID);*/
Wait(OTWaitingCV[myOT],OrderTakerLock[myOT]);/* Waiting for my order to be processed*/
Print3("Customer [%d] is given token number [%d] by the OrderTaker [%d]\n",CustID,CustID,myOT);
Release(OrderTakerLock[myOT]);
/*Customer-Manager interaction
If Customer is Eat-in type
Wait for Manager to check if there is table for me
Need lock and CV to go on wait*/
Acquire(CustDataLock);
if (CustData[CustID].TypeOfFood == 0)
{
Release(CustDataLock);
Acquire(TblNeededCustLock);
TblNeededCustList[myOT][CustID]=1; /*1 indicates that customer needs table*/
Release(TblNeededCustLock);
Acquire(NeedTableLock[CustID]);
Print1("Customer %d is waiting for the table\n", CustID);
Wait(NeedTableCV[CustID],NeedTableLock[CustID]);
Signal(NeedTableCV[CustID],NeedTableLock[CustID]);/*Send ack to Mgr*/
Print1("Eat IN Customer %d got the table\n", CustID);
/* Manager signals only when there are free tables*/
/* Here Customers are sure of allocated Table*/
Release(NeedTableLock[CustID]);
/*Customer Waits for Waiter
Eat-in Customer whose food is ready, seated and waiting for waiters to serve them*/
Acquire(NeedWaitersLock[CustID]);
Print1("Customer [%d] is waiting for the waiter to serve the food\n",CustID);
Wait(NeedWaitersCV[CustID],NeedWaitersLock[CustID]);
/*Waiters signals only when Customer Food is ready
Here Customers are sure of served food and they must leave!*/
Print1("Customer [%d] is served by the waiter",CustID);
Release(NeedWaitersLock[CustID]);
Print1("\nCustomer[%d] order is leaving the restaurant after having food\n\n\n",CustID );
}
else
{
Release(CustDataLock);
Print2("\nCustomer[%d] is leaving the restaurant after Order Taker[%d] packed the food\n\n\n",CustID,myOT );
}
CustLeft++;
Acquire(AliveCustCountLock);
AliveCustCount--;
Release(AliveCustCountLock);
/*Print1("Customer %d is exiting\n",CustID);*/
Exit(1);
}
int IsCustomerFoodReady (int CID)
{
int CustFoodIsReady = 0;
int CustID = CID;
Acquire(CustDataLock);
Acquire(CookedFoodLock);
Acquire(FoodToBeCookedUpdateLock);
switch(CustID%5)
{
case 0: if ( CustData[CustID].Food[0] < CookedFood[0] && \
CustData[CustID].Food[1] < CookedFood[1] &&\
CustData[CustID].Food[2] < CookedFood[2] && \
CustData[CustID].Food[3] < CookedFood[3] && \
CustData[CustID].Food[4] < CookedFood[4])
{
CustFoodIsReady = 1;
CookedFood[0]--;
CookedFood[1]--;
CookedFood[2]--;
CookedFood[3]--;
CookedFood[4]--;
}
else
{
FoodToBeCooked[0]++;
FoodToBeCooked[1]++;
FoodToBeCooked[2]++;
FoodToBeCooked[3]++;
}
break;
case 1: if ( CustData[CustID].Food[0] < CookedFood[0]&&\
CustData[CustID].Food[2] < CookedFood[2]&&\
CustData[CustID].Food[4] < CookedFood[4])
{
CustFoodIsReady = 1;
CookedFood[0]--;
CookedFood[2]--;
CookedFood[4]--;
}
else
{
FoodToBeCooked[0]++;
FoodToBeCooked[2]++;
}
break;
case 2: if( CustData[CustID].Food[1]<CookedFood[1]&&\
CustData[CustID].Food[4] < CookedFood[4])
{
CustFoodIsReady = 1;
CookedFood[1]--;
CookedFood[4]--;
}
else
{
FoodToBeCooked[1]++;
}
break;
case 3: if( CustData[CustID].Food[0] <CookedFood[0]&&\
CustData[CustID].Food[2] < CookedFood[2]&&\
CustData[CustID].Food[4] < CookedFood[4])
{
CustFoodIsReady = 1;
CookedFood[0]--;
CookedFood[2]--;
CookedFood[4]--;
}
else
{
FoodToBeCooked[0]++;
FoodToBeCooked[2]++;
}
break;
default: CustFoodIsReady = -1;
break;
}/*end of switch*/
Release(CookedFoodLock);
Release(FoodToBeCookedUpdateLock);
Release(CustDataLock);
return(CustFoodIsReady);
}
void acquirelock_t2() {
Acquire(l);
Print("Acquired lock %i\n", 18, l * 1000, 0);
Exit(0);
}
void Manager()
{
int MyMgrID=1;
int MyCustID;
int MyCookSpec;
int MyCookStat;
int RmvedCookCnt=0;
int RmvedCook[200];
int a=0;
int b=0;
int c=0;
int d=0;
int i=0;
int myOTId=PersonCount.NoOfOT;
int CustFoodIsReady=0;
while (1)
{
/*Manager should not take customers untill OT finished interaction with them*/
Acquire(TblNeededCustLock);
for(a=0;a<MAX_SIZE;a++) /*a-OTID b-CUSTID*/
{
for(b=0;b<MAX_SIZE;b++)
{
/*Print2("a=[%d]b=[%d] in for loop\n",a,b);
Print1("TblNeededCustList[a][b]=%d outside for loop\n",TblNeededCustList[a][b]);*/
if (TblNeededCustList[a][b]==1)
{
/*There are atleast some customer either waiting for food to be prepared or with food prepared and waiting for table*/
Acquire(TotalTablesUpdateLock);
MyCustID=b;
/* There is a table for Customers
Alert the customer about this*/
if ( TotalTables>0 )
{
TotalTables--;
Release(TotalTablesUpdateLock);
/*Update this table so that waiter is aware of seated customers*/
Acquire(TableAllotedCustLock);
for(c=0;c<MAX_SIZE;c++)
{
if(TableAllotedCustList[c]==-1)
{
TableAllotedCustList[c]=MyCustID;
TblNeededCustList[a][b]=0;
/* There is a table for Customers
Alert the customer about this*/
Acquire(NeedTableLock[MyCustID]);
Print2("Customer [%d] receives token number [%d] from the Manager\n",MyCustID,MyCustID);
Print1("Customer[%d] is informed by the Manager - the restaurant is NOT full\n",MyCustID);
Print1("Customer [%d] is seated at table\n",MyCustID);
Signal(NeedTableCV[MyCustID],NeedTableLock[MyCustID]);
Wait(NeedTableCV[MyCustID],NeedTableLock[MyCustID]);
Release(NeedTableLock[MyCustID]);
break;
}
}
Release(TableAllotedCustLock);
}
/* if there are no tables, just give them the token number*/
else
{
/*pritnf("Customer [%d] receives token number [%d] from the Manager\n",MyCustID,MyCustID);*/
Release(TotalTablesUpdateLock);
Print1("Customer[%d] is informed by the Manager-the restaurant is full\n",MyCustID);
Print1("Customer [%d] is waiting to sit on the table\n", MyCustID);
}
}
}
}
a=b=c=0;
Release(TblNeededCustLock);
/*************************************************************
* Manager as an OT START
**************************************************************/
i=0;
for(i=0;i<200;i++)
{
Acquire(custLineLock);
if(custLineLength>3*PersonCount.NoOfOT)
{
}
Release(custLineLock);
}
/*************************************************************
* Manager as an OT END
**************************************************************/
/* Manager as food packer*/
Acquire(EatInCustWaitingForFoodLock);
i=0;
for(i=0;i<MAX_SIZE;i++)
{
if(EatInCustWaitingForFood[i]==1)
{
EatInCustWaitingForFood[i]=0;
MyCustID=i;
break;
}
}
i=0;
/*For (each) this customer, check if his order is ready for each type of food*/
if(MyCustID!=-1)
{
CustFoodIsReady = IsCustomerFoodReady (MyCustID);
/* if CustFoodIsReady = 1, Food is ready and can be grabed*/
if (CustFoodIsReady==1)
{
Acquire(GrabedFoodLock);
GrabedFood[myOTId][MyCustID]=1;/* 1 means food is grabed and 0 means otherwise*/
Release(GrabedFoodLock);
Print1("Manager packed food for Customer[%d]\n", MyCustID);
MyCustID=-1;
Release(EatInCustWaitingForFoodLock);
}
else
{
/*list of customers to whom token should be handled but shouldnt grab the food*/
/*this Q is as good as saying who gave token number to whom when they wanna wait*/
EatInCustWaitingForFood[MyCustID]=1;
Print1("Manager gives token number to Customer[%d]\n", MyCustID);
MyCustID=-1;
Release(EatInCustWaitingForFoodLock);
}
}
else
{
Release(EatInCustWaitingForFoodLock);
Acquire(ToGoCustWaitingForFoodLock);
i=0;
for(i=0;i<MAX_SIZE;i++)
{
if(ToGoCustWaitingForFood[i]==1)
{
ToGoCustWaitingForFood[i]=0;
MyCustID=i;
break;
}
}
i=0;
if(MyCustID!=-1)
{
CustFoodIsReady = IsCustomerFoodReady (MyCustID);
/* if CustFoodIsReady = 1, Food is ready and can be grabed*/
if (CustFoodIsReady==1)
{
Acquire(GrabedFoodLock);
GrabedFood[myOTId][MyCustID]=1;/* 1 means food is grabed and 0 means otherwise*/
Release(GrabedFoodLock);
Print1("Manager packed the food for Customer[%d]\n", MyCustID);
MyCustID=-1;
Release(ToGoCustWaitingForFoodLock);
}
else
{
/*list of customers to whom token should be handled but shouldnt grab the food
/*this Q is as good as saying who gave token number to whom when they wanna wait*/
ToGoCustWaitingForFood[MyCustID]=1;
Print1("Manager gives token number to Customer[%d]\n",MyCustID);
MyCustID=-1;
Release(ToGoCustWaitingForFoodLock);
}
}
else
{
Release(ToGoCustWaitingForFoodLock);
/*Nothing to do
/*Set OT status to FREE*/
}
}
/*End of Manager as food packer*/
/* Manager - Waiter Interaction */
Acquire(TableAllotedCustLock);
for(d=0;d<MAX_SIZE;d++)
{
if(-1!=TableAllotedCustList[d]) /*List is not empty*/
{
Acquire(WaitersQLock);
Broadcast(WaitersCV,WaitersQLock);
Print("Manager calls back all Waiters from break\n");
/*Print(" Manager broadcasted\n");*/
Release(WaitersQLock);
break;
}
}
d=0;
Release(TableAllotedCustLock);
i=0;
for (i=0;i<200;i++)
{
/*Print1("Manager yeilding%d\n",i);*/
Yield();
}
i=0;
/* Manager - Waiter Interaction End*/
Acquire(AliveCustCountLock);
if(AliveCustCount==0)
{
Release(AliveCustCountLock);
Acquire(SleepingWaiterCountLock);
/*Print1("Above while SleepingWaiterCount%d\n",SleepingWaiterCount);*/
if (SleepingWaiterCount!=0)
{
while(SleepingWaiterCount!=0)
{
/*Print("inside while");*/
Acquire(WaitersQLock);
Broadcast(WaitersCV,WaitersQLock);
Release(WaitersQLock);
Release(SleepingWaiterCountLock);
/*Print("Manager Broadcast\n");*/
for (i=0;i<200;i++)
{
/*Print1("Manager yeilding%d\n",i);*/
Yield();
}
Acquire(SleepingWaiterCountLock);
}
}
Release(SleepingWaiterCountLock);
}
else
Release(AliveCustCountLock);
Acquire(AliveCustCountLock);
if(AliveCustCount==0)
{
Release(AliveCustCountLock);
Acquire(ActiveOTCountLock);
if(ActiveOTCount!=0)
{
/*Print1("Mgr waiting for OT, AcOT=%d\n",ActiveOTCount);*/
while(ActiveOTCount!=0)
{
Release(ActiveOTCountLock);
for (i=0;i<200;i++)
{
/*Print1("Manager yeilding%d\n",i);*/
Yield();
}
Acquire(ActiveOTCountLock);
}
}
Release(ActiveOTCountLock);
if(DestroyAllLockCV==1)
{
/*Print1("SleepingWaiterCount%d\n",SleepingWaiterCount);*/
Print("End of Simulation!!\n");
Exit(1);
}
else
{
for (i=0;i<200;i++)
{
/*Print1("Manager yeilding%d\n",i);*/
Yield();
}
}
}
else
{
Release(AliveCustCountLock);
}
}
}
static void doCashierClerk(int* index, int* cashDollars)
{
int myClerk, x, rando;
while(TRUE)
{
myClerk = -1;
tprintf("Senator [%d]: Going to the CashClerk\n",*index,0,0,"","");
/*cashLineLock->Acquire(); */
Acquire(cashLineLock);
regCashLineLength++;
tprintf("Senator [%d]: Waiting in the Regular Line for next available CashClerk\n",*index,0,0,"","");
/*regCashLineCV->Wait(cashLineLock); */
Wait(regCashLineCV, cashLineLock);
tprintf("Senator[%d]: Finding available CashClerk...\n",*index,0,0,"","");
for(x = 0; x < MAX_CASH_CLERKS; x++)
{
if(cashClerkStatuses[x] == CLERK_AVAILABLE)
{
myClerk = x;
tprintf("Senator [%d]: Going to chill with CashClerk[%d]\n",*index,myClerk,0,"","");
cashClerkStatuses[myClerk] = CLERK_BUSY;
break;
}
else
tprintf("Senator [%d]: CashClerk[%d] is unavailable\n",*index,x,0,"","");
}
if (myClerk == -1) {
printf("Senator [%d]: Woke up with a CashClerk index of -1, halting the machine for now.",*index,0,0,"","");
Halt();
}
/*cashClerkLocks[myClerk]->Acquire();
cashLineLock->Release(); */
Acquire(cashClerkLocks[myClerk]);
Release(cashLineLock);
cashClerkSSNs[myClerk] = *index;
printf("Senator [%d] goes to CashClerk[%d]\n",*index,myClerk,0,"","");
/*interact with clerk */
/*cashClerkCVs[myClerk]->Signal(cashClerkLocks[myClerk]);
cashClerkCVs[myClerk]->Wait(cashClerkLocks[myClerk]);*/
Signal(cashClerkCVs[myClerk], cashClerkLocks[myClerk]);
Wait(cashClerkCVs[myClerk], cashClerkLocks[myClerk]);
/*pay for passport. If it's not processed, get back in line*/
if(!cashPunish[myClerk])
{
printf("Senator [%d] gets [valid] certification by Cashier[%d]\n",*index,myClerk,0,"","");
printf("Senator [%d] pays $100 to Cashier[%d] for their passport\n",*index,myClerk,0,"","");
cashClerkMoney[myClerk] += 100;
*cashDollars-=100;
/*cashClerkCVs[myClerk]->Signal(cashClerkLocks[myClerk]);
cashClerkCVs[myClerk]->Wait(cashClerkLocks[myClerk]);*/
Signal(cashClerkCVs[myClerk], cashClerkLocks[myClerk]);
Wait(cashClerkCVs[myClerk], cashClerkLocks[myClerk]);
tprintf("Senator [%d]: Passport paid for like a pro. CashDollars = [$%d]\n", *index, *cashDollars,0,"","");
/*cashClerkLocks[myClerk]->Release();*/
Release(cashClerkLocks[myClerk]);
printf("Senator [%d] leaves the passport office...\n",*index,0,0,"","");
/*customerOfficeLock->Acquire();*/
Acquire(entryLock);
senatorsInOffice--;
/*customerOfficeLock->Release();*/
Release(entryLock);
break;
}
/*cashClerkLocks[myClerk]->Release();*/
Release(cashClerkLocks[myClerk]);
printf("Senator [%d] gets [invalid] certification by Cashier[%d]\n",*index,myClerk,0,"","");
printf("Senator [%d] is punished to wait by Cashier[%d]\n",*index,myClerk,0,"","");
tprintf("Senator [%d]: NOT READY!? Going back to the end of the line...\n",*index,0,0,"","");
rando = Rand()%80+20;
for(x = 0; x < rando; x++)
Yield();
}
}
main()
{
int myLine;
int lineCondition;
int bribeLineCondition;
int clerkCondition;
int breakLock;
int breakCondition;
int clerkLock;
int customerID;
setup();
Acquire(counterLock);
myLine = Get(numCashiers,0);
Set(numCashiers,0,myLine+1);
Release(counterLock);
lineCondition = Get(cashLineCV,myLine);
bribeLineCondition = Get(cashBribeLineCV,myLine);
clerkCondition = Get(cashClerkCV,myLine);
breakLock = Get(cashBreakLock,myLine);
breakCondition = Get(cashBreakCV,myLine);
clerkLock = Get(cashClerkLock,myLine);
/* On duty while there are still customers who haven't completed process */
while(Get(customersFinished,0) < NUM_CUSTOMERS + NUM_SENATORS) {
Acquire(cashierLock);
if (Get(cashLineCount,myLine) > 0) {
Print("Cashier %i has signalled a customer to come to their counter\n", 62, myLine * 1000, 0);
Signal(lineCondition, cashierLock);
Set(cashState,myLine,BUSY);
} else {
if(Get(storeJustOpened,0)>=NUM_CLERKS*4) {
Print("Cashier %i is going on break\n", 30, myLine * 1000, 0);
Release(cashierLock);
Acquire(breakLock);
Set(cashState,myLine,ONBREAK);
/* Mesa style monitor, wait to be woken up by manager */
if(Get(cashState,myLine) == ONBREAK) {
Wait(breakCondition, breakLock);
}
Print("Cashier %i is coming off break\n", 32, myLine * 1000, 0);
Release(breakLock);
Acquire(cashierLock);
if (Get(cashLineCount,myLine) > 0) {
Print("Cashier %i has signalled a customer to come to their counter\n", 62, myLine * 1000, 0);
Signal(lineCondition, cashierLock);
Set(cashState,myLine,BUSY);
}
else
Set(cashState,myLine,AVAILABLE);
}
else {
Set(cashState,myLine,AVAILABLE);
Set(storeJustOpened,0,Get(storeJustOpened,0)+1);
}
}
/* entering transaction so switch locks */
Acquire(clerkLock);
Release(cashierLock);
/* wait for customer to pay */
Wait(clerkCondition, clerkLock);
customerID = Get(cashCustomer,myLine);
Print("Cashier %i has received SSN from Customer %i\n", 46, myLine * 1000 + customerID, 0);
Print("Cashier %i has verified that Customer %i has been certified by a PassportClerk\n", 80, myLine * 1000 + customerID, 0);
/* taking payment */
Set(custMoney,customerID, Get(custMoney,customerID)-100);
Set(cashMoney,myLine,Get(cashMoney,myLine)+100);
Print("Cashier %i has received the $100 from Customer %i after certification\n", 71, myLine * 1000 + customerID, 0);
Set(passportGiven,customerID, TRUE);
Signal(clerkCondition, clerkLock);
Print("Cashier %i has provided Customer %i their completed passport\n", 62, myLine * 1000 + customerID, 0);
Print("Cashier %i has recorded that Customer %i has been given their completed passport\n", 82, myLine * 1000 + customerID, 0);
Release(clerkLock);
}
Exit(0);
}
int chooseCustomerFromLine(int myLine, char* clerkName, int clerkNameLength) {
int testFlag = false;
int clerkBribeLineCnt, clerkLineCnt, senatorLineCnt, senatorDoneMon, clerkState, allCustDone;
do {
testFlag = false;
/* TODO: -1 used to be NULL. Hung needs to figure this out */
senatorLineCnt = GetMonitor(senatorLineCount, 0);
senatorDoneMon = GetMonitor(senatorDone, 0);
if((senatorLineCnt > 0 ) || (senatorLineCnt > 0 && senatorDoneMon == 1)) {
/* CL: chooses senator line first */
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" is required by the senator\n", 29);/*HUNG LINE*/
Acquire(clerkSenatorCVLock[myLine]);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" clerkSenatorCVLock acquired\n", 30);/*HUNG LINE*/
Signal(clerkSenatorCVLock[myLine], clerkSenatorCV[myLine]);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" clerkSenatorCVLock signal\n", 29);/*HUNG LINE*/
/*Wait for senator here, if they need me*/
Wait( clerkSenatorCVLock[myLine], clerkSenatorCV[myLine]);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" clerkSenatorCVLock waited e\n", 30);/*HUNG LINE*/
if(senatorLineCnt == 0){
Acquire(clerkLineLock);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" was unused by senator\n", 23);/*HUNG LINE*/
SetMonitor(clerkStates, myLine, AVAILABLE);
Release(clerkSenatorCVLock[myLine]);
}else if(senatorLineCnt > 0 && senatorDoneMon == 1){
SetMonitor(clerkStates, myLine, AVAILABLE);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" is being used by senator\n", 26);/*HUNG LINE*/
Release(clerkSenatorCVLock[myLine]);
}else{
SetMonitor(clerkStates, myLine, BUSY);
testFlag = true;
}
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" clerkSenatorCVLock waited f\n", 30);/*HUNG LINE*/
}else{
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" is not required by the senator\n", 33);/*HUNG LINE*/
Acquire(clerkLineLock);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" acquired clerkLinelock\n", 24);/*HUNG LINE*/
clerkBribeLineCnt = GetMonitor(clerkBribeLineCount, myLine);
clerkLineCnt = GetMonitor(clerkLineCount, myLine);
if(clerkBribeLineCnt > 0) {
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" is servicing a customer from bribe line\n", 41);
Signal(clerkLineLock, clerkBribeLineCV[myLine]);
SetMonitor(clerkStates, myLine, BUSY); /*redundant setting*/
} else if(clerkLineCnt > 0) {
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" is servicing a customer from regular line\n", 43);
Signal(clerkLineLock, clerkLineCV[myLine]);
SetMonitor(clerkStates, myLine, BUSY); /*redundant setting*/
}else{
Acquire(breakLock[myLine]);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" is going on break\n", 19);
SetMonitor(clerkStates, myLine, ONBREAK);
Release(clerkLineLock);
Wait(breakLock[myLine], breakCV[myLine]);
/*PrintNum(breakLock[myLine]); PrintNl();*/
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" is waking up from a break now.\n", 33); PrintNl();/*HUNG LINE*/
SetMonitor(clerkStates, myLine, AVAILABLE);
Release(breakLock[myLine]);
allCustDone = GetMonitor(allCustomersAreDone, 0);
if(allCustDone == 1) {
Exit(0);
}
}
}
clerkState = GetMonitor(clerkStates, myLine);
} while(clerkState!= BUSY);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" Acquring clerkLock\n", 21);/*HUNG LINE*/
Acquire(clerkLock[myLine]);
PrintString(clerkName, clerkNameLength); PrintNum(myLine); PrintString(" Clerklock acquired\n", 21);/*HUNG LINE*/
Release(clerkLineLock);
/*wait for customer*/
if(testFlag){
Signal(clerkSenatorCVLock[myLine], clerkSenatorCV[myLine]);
Release(clerkSenatorCVLock[myLine]);
}
Wait(clerkLock[myLine], clerkCV[myLine]);
/*Do my job -> customer waiting*/
clerkState = GetMonitor(customerData, myLine);
return clerkState;
}
/* Setup for previous test */
void destroy_Lock_Using_Lock_Setup(){
Write("Acquiring unused lock_10 to check destroy_Lock\n", sizeof("Acquiring unused lock_10 to check destroy_Lock\n"), ConsoleOutput);
Acquire(lock_10);
}
static CAT_INLINE u8 *Resize(u8 *ptr, u32 new_trailing_bytes)
{
if (!ptr) return Acquire(new_trailing_bytes);
return Resize(Promote(ptr), new_trailing_bytes);
}
int
main()
{
int lockStatus, cvId, waitStatus;
WriteToConsole("\nCreating a Lock\n\0", -1, -1, -1);
lockStatus = CreateLock("lock1",5);
if(lockStatus == -1)
{
WriteToConsole("\nError Occurred while creating Lock. Exiting program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nLock Created by the server.\n\0", -1, -1, -1);
}
WriteToConsole("\nCreating a CV\n\0", -1, -1, -1);
cvId = CreateCV("cv1",3);
if(cvId == -1)
{
WriteToConsole("\nError Occurred while creating CV. Exiting program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nCV Created by the server.", -1, -1, -1);
}
WriteToConsole("\nAcquiring Lock.\n\0", -1, -1, -1);
lockStatus = Acquire("lock1",5);
if(lockStatus == -1)
{
WriteToConsole("\nError Occurred while Acquiring Lock. Exiting program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nLock acquired.\n\0", -1, -1, -1);
}
WriteToConsole("\nCalling Wait on lock1 and cv1.\n\0",-1, -1,-1);
waitStatus = Wait("cv1",3, "lock1",5);
if(waitStatus == -1)
{
WriteToConsole("\nError, Not the Lock owner. Exiting Program.\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nServer waiting on the given condition. Now start client 2\n\0", -1, -1, -1);
}
WriteToConsole("\nReleasing Lock.\n\0", -1, -1, -1);
lockStatus = Release("lock1",5);
if(lockStatus == -1)
{
WriteToConsole("\nError Occurred while Releasing Lock. Exiting program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nLock released.\n\0", -1, -1, -1);
}
Exit(0);
}
int
main(){
Acquire(0);
Acquire(1);
}
int
main()
{
int lockStatus, cvStatus, mvStatus, mvId, mvValue;
WriteToConsole("\nCreating a Lock\n\0", -1, -1, -1);
lockStatus = CreateLock("lock1",5);
if(lockStatus == -1)
{
WriteToConsole("\nError Occurred while creating Lock. Exiting program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nLock Created by the server.\n\0", -1, -1, -1);
}
WriteToConsole("\nCreating a MV\n\0", -1, -1, -1);
mvStatus = CreateMV("mv1",3, 5);
if(mvStatus == -1)
{
WriteToConsole("\nError Occurred while creating MV. Exiting program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nMV Created by the server.\n\0", -1, -1, -1);
}
WriteToConsole("\nAcquiring lock to access Monitor Variable\n\0", -1, -1, -1);
lockStatus = Acquire("lock1",5);
if(lockStatus == -1)
{
WriteToConsole("\nError Occurred while acquiring Lock. Exiting program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nLock acquired by the server.\n\0", -1, -1, -1);
}
WriteToConsole("\nSetting MV to 100\n", -1, -1, -1);
mvStatus = SetMV("mv1",3, 1, 100);
if(mvStatus == -1)
{
WriteToConsole("\nFailed to Set MV. Exiting Program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nMV set successfully.\n\0", -1, -1, -1);
}
WriteToConsole("\nTrying to fetch value at invalid mv Index : %d\n\0", 21, -1,-1);
mvValue = GetMV("mv1",3, 20);
if(mvValue == -1)
{
WriteToConsole("\nInvalid mvIndex, Failed to fetch value at given index. Exiting Program\n\0", -1, -1, -1);
Exit(0);
}
else
{
WriteToConsole("\nAbnormal Execution\n\0", -1, -1, -1);
}
Exit(0);
}
int main(int argc, char* argv[]){
// test 1 : pipe, lock and cvar
int lock_id, cvar_id, pipe_id;
int pid,status;
int condition=0;
char *test = "Yalnix Works";
char *buffer = (char*)malloc(1024);
TracePrintf(1, "init main: test pipe, lock, cvar.\n");
LockInit(&lock_id);
CvarInit(&cvar_id);
PipeInit(&pipe_id);
TracePrintf(1, "init main: Lockid %d.\n", lock_id);
TracePrintf(1, "init main: Cvarid %d.\n", cvar_id);
TracePrintf(1, "init main: Pipeid %d.\n", pipe_id);
pid = Fork();
if (pid == 0) {
TracePrintf(1,"init main: child \n");
Acquire(lock_id);
TracePrintf(1,"init main: child acquire the lock\n");
condition=1;
TracePrintf(1,"init main: child condition %d\n",condition);
PipeWrite(pipe_id, &condition,sizeof(int));
TracePrintf(1,"init main: child change the condition and write it to pipe\n");
TracePrintf(1,"init main: child cvar signal\n");
CvarSignal(cvar_id);
Release(lock_id);
TracePrintf(1,"init main: child write to pipe: %s\n",test);
PipeWrite(pipe_id,test,20);
TracePrintf(1,"init main: child release the lock\n");
Exit(0);
}
else{
TracePrintf(1,"init main: parent\n");
Acquire(lock_id);
TracePrintf(1,"init main: parent acquire the lock\n");
while(!condition){
TracePrintf(1,"init main: parent cvar wait, condition %d\n",condition);
CvarWait(cvar_id,lock_id);
PipeRead(pipe_id,&condition,sizeof(int));
TracePrintf(1,"init main: parent read the condition from pipe, condition %d\n",condition);
}
TracePrintf(1,"init main: parent wake up\n");
Release(lock_id);
TracePrintf(1,"init main: parent release the lock\n");
PipeRead(pipe_id,buffer,20);
TracePrintf(1,"init main: parent read from pipe: %s\n",buffer);
}
Reclaim(lock_id);
Reclaim(cvar_id);
Reclaim(pipe_id);
Exit(0);
}
static void doPicClerk(int* index, int* cashDollars)
{
bool privLine = FALSE;
int myClerk, x;
while(TRUE)
{
myClerk = -1;
tprintf("Senator [%d]: Going to the PicClerk\n",*index,0,0,"","");
/*appPicLineLock->Acquire(); */
Acquire(appPicLineLock);
tprintf("Senator [%d]: What line should I choose for the PicClerk?\n",*index,0,0,"","");
/*check for senator*/
if(*cashDollars > 100) /*get in a privledged line*/
{
privLine = TRUE;
tprintf("Senator [%d]: Priveleged line, baby. CashDollars = $%d\n",*index,*cashDollars,0,"","");
privPicLineLength++;
tprintf("Senator [%d]: Waiting in the Priveledged Line for next available PicClerk\n",*index,0,0,"","");
/*privPicLineCV->Wait(appPicLineLock); */
Wait(privPicLineCV, appPicLineLock);
}
else /*get in a normal line*/
{
tprintf("Senator [%d]: Regular line, suckas. CashDollars = $%d\n",*index,*cashDollars,0,"","");
regPicLineLength++;
tprintf("Senator [%d]: Waiting in the Regluar Line for next available PicClerk\n",*index,0,0,"","");
/*regPicLineCV->Wait(appPicLineLock); */
Wait(regPicLineCV, appPicLineLock);
}
tprintf("Senator [%d]: Finding available PicClerk...\n",*index,0,0,"","");
for(x = 0; x < MAX_PIC_CLERKS; x++)
{
if(picClerkStatuses[x] == CLERK_AVAILABLE)
{
myClerk = x;
tprintf("Senator [%d]: Going to chill with PicClerk[%d]\n",*index,myClerk,0,"","");
picClerkStatuses[myClerk] = CLERK_BUSY;
break;
}
else
tprintf("Senator [%d]: PicClerk [%d] is unavailable\n",*index,x,0,"","");
}
if (myClerk == -1) {
printf("Senator [%d]: Woke up with a PicClerk index of -1, halting the machine for now.",*index,0,0,"","");
Halt();
}
/*picClerkLocks[myClerk]->Acquire();
appPicLineLock->Release();*/
Acquire(picClerkLocks[myClerk]);
Release(appPicLineLock);
picClerkSSNs[myClerk] = *index;
if(privLine)
{
printf("Senator [%d] is willing to pay $500 to PictureClerk[%d] for moving ahead in line\n",*index, myClerk,0,"","");
picClerkMoney[myClerk] += 500;
picClerkBribed[myClerk] = TRUE;
*cashDollars -= 500;
}
tprintf("Senator [%d] Goes to PictureClerk[%d]\n",*index,myClerk,0,"","");
/*interact with clerk, loop enabled picture to be taken multiple times*/
while(happyWithPhoto[myClerk] == FALSE)
{
tprintf("Senator [%d]: Getting my picture taken...\n",*index,0,0,"","");
/*picClerkCVs[myClerk]->Signal(picClerkLocks[myClerk]);
picClerkCVs[myClerk]->Wait(picClerkLocks[myClerk]); */
Signal(picClerkCVs[myClerk], picClerkLocks[myClerk]);
Wait(picClerkCVs[myClerk], picClerkLocks[myClerk]);
/*did I like my picture?*/
if(Rand()%10 > 5)
{
happyWithPhoto[myClerk] = TRUE;
printf("Senator [%d] [likes] the picture provided by PictureClerk[%d]\n", *index,myClerk,0,"","");
}
else
{
printf("Senator [%d] [dislikes] the picture provided by PictureClerk[%d]\n", *index,myClerk,0,"","");
printf("The picture of Senator [%d] will be taken again.\n", *index,0,0,"","");
}
/*picClerkCVs[myClerk]->Signal(picClerkLocks[myClerk]);
picClerkCVs[myClerk]->Wait(picClerkLocks[myClerk]); */
Signal(picClerkCVs[myClerk], picClerkLocks[myClerk]);
Wait(picClerkCVs[myClerk], picClerkLocks[myClerk]);
}
happyWithPhoto[myClerk] = FALSE; /*needs to be reset for future customers*/
tprintf("Senator [%d]: Picture taken. Like a boss.\n",*index,0,0,"","");
/*picClerkLocks[myClerk]->Release(); */
Release(picClerkLocks[myClerk]);
tprintf("Senator [%d]: Done and done.\n",*index,0,0,"","");
break;
}
}
/* Setup for next test */
void destroy_CV_Setup(){
Write("Acquiring lock_9 and waiting on cv_9\n", sizeof("Acquiring lock_9 and waiting on cv_9\n"), ConsoleOutput);
Acquire(lock_9);
Wait(cv_9, lock_9);
Exit(0);
}
static void doPassPortClerk(int *index, int* cashDollars){
bool privLined = FALSE;
bool bribed = FALSE;
int myClerk, x, rando;
while(TRUE)
{
myClerk = -1;
tprintf("Senator [%d]: Going to the PassportClerk\n",*index,0,0,"","");
tprintf("Senator [%d]: Acquiring PassLineLock...\n",*index,0,0,"","");
/*passLineLock->Acquire();*/
Acquire(passLineLock);
printf("Senator [%d]: What line should I choose for the PassportClerk?\n",*index,0,0,"","");
/*check for senator*/
if(*cashDollars > 100 || privLined) /*get in a privledged line*/
{
privLined = TRUE;
tprintf("Senator [%d]: Priveleged line, baby. CashDollars = $%d\n",*index,*cashDollars,0,"","");
privPassLineLength++;
tprintf("Senator [%d]: Waiting in the Priveledged Line for next available PassportClerk\n",*index,0,0,"","");
/*privPassLineCV->Wait(passLineLock);*/
Wait(privPassLineCV, passLineLock);
}
else /*get in a normal line*/
{
tprintf("Senator [%d]: Regular line, suckas. CashDollars = $%d\n",*index,*cashDollars,0,"","");
regPassLineLength++;
tprintf("Senator [%d]: Waiting in the Regular Line for next available PassportClerk\n",*index,0,0,"","");
/*regPassLineCV->Wait(passLineLock); */
Wait(regPassLineCV, passLineLock);
}
tprintf("Senator [%d]: Finding available PassClerk...\n",*index,0,0,"","");
for(x = 0; x < MAX_PASS_CLERKS; x++)
{
if(passClerkStatuses[x] == CLERK_AVAILABLE)
{
myClerk = x;
tprintf("Senator [%d]: Going to chill with PassClerk[%d]\n",*index,myClerk,0,"","");
passClerkStatuses[myClerk] = CLERK_BUSY;
break;
}
else
tprintf("Senator [%d]: PassClerk[%d] is unavailable\n",*index,x,0,"","");
}
if (myClerk == -1) {
printf("Senator [%d]: Woke up with a PassClerk index of -1, halting the machine for now.",*index,0,0,"","");
Halt();
}
/*passClerkLocks[myClerk]->Acquire();*/
Acquire(passClerkLocks[myClerk]);
/*passLineLock->Release(); */
Release(passLineLock);
passClerkSSNs[myClerk] = *index;
if(privLined && !bribed)
{
bribed = TRUE;
printf("Senator [%d] is willing to pay $500 to PassportClerk[%d] for moving ahead in line\n",*index,myClerk,0,"","");
passClerkMoney[myClerk] += 500;
passClerkBribed[myClerk] = TRUE;
*cashDollars -= 500;
}
printf("Senator [%d] goes to PassportClerk[%d]\n",*index,myClerk,0,"","");
/*interact with clerk */
/*passClerkCVs[myClerk]->Signal(passClerkLocks[myClerk]);
passClerkCVs[myClerk]->Wait(passClerkLocks[myClerk]);*/
Signal(passClerkCVs[myClerk], passClerkLocks[myClerk]);
Wait(passClerkCVs[myClerk], passClerkLocks[myClerk]);
/*get passport from clerk, if not ready, go to the back of the line?*/
if(!passPunish[myClerk])
{
printf("Senator [%d] is [certified] by PassportClerk[%d]\n",*index,myClerk,0,"","");
tprintf("Senator [%d]: Passport. GET!.\n", *index,0,0,"","");
tprintf("Senator [%d]: Done and done.\n",*index,0,0,"","");
/*passClerkLocks[myClerk]->Release();*/
Release(passClerkLocks[myClerk]);
tprintf("Senator [%d]: Going to next clerk...\n",*index,0,0,"","");
break;
}
/*passClerkLocks[myClerk]->Release();*/
Release(passClerkLocks[myClerk]);
printf("Senator [%d] is [not certified] by PassportClerk[%d]\n",*index,myClerk,0,"","");
printf("Senator [%d] is being forced to wait by PassportClerk[%d]\n",*index,myClerk,0,"","");
rando = Rand()%80+20;
for(x = 0; x < rando; x++)
Yield();
}
}
/* Default acquire test acquiring lock_2 */
void acquire_Lock_Test(){
Write("Testing Acquire on lock_2\n", sizeof("Testing Acquire on lock_2\n"), ConsoleOutput);
Acquire(lock_2);
}
void RL1() {
char* name = "test";
int lock;
int lock2;
int cv;
int wait;
Printx("\nTest4.1 is creating lock at index 2\n",37,1);
lock = CreateLock(name,4);
if (lock == -1)
Printx("Lock not created\n",17,1);
else
Printx("Lock created successfully at index %d\n",38,lock*10000000);
Printx("\nTest4.1 is creating lock at index 3\n",37,1);
lock2 = CreateLock(name,4);
if (lock2 == -1)
Printx("Lock not created\n",17,1);
else
Printx("Lock created successfully at index %d\n",38,lock2*10000000);
Printx("\nTest4.1 is acquiring lock at index 2\n",38,1);
lock = Acquire(lock);
if (lock == -1)
Printx("Lock not acquired\n",18,1);
else
Printx("Lock acquired successfully from index %d\n",41,lock*10000000);
Printx("\nTest4.1 is acquiring lock at index 3\n",38,1);
lock2 = Acquire(lock2);
if (lock2 == -1)
Printx("Lock not acquired\n",18,1);
else
Printx("Lock acquired successfully from index %d\n",41,lock2*10000000);
Printx("\nTest4.1 is creating CV at index 0\n",35,1);
cv = CreateCondition(name,4);
if (cv == -1)
Printx("CV not created\n",15,1);
else
Printx("CV created successfully at index %d\n",36,cv*10000000);
Printx("\nTest4.1 is waiting with CV 0 and Lock 3\n",41,1);
wait = Wait(cv,lock2);
if (wait == -1)
Printx("CV did not successfully wait\n",29,1);
else
Printx("CV is successfully waiting\n",27,1);
Printx("\nTest4.1 is releasing lock at index 3\n",38,1);
lock = Release(3);
if (lock == -1)
Printx("Lock not released\n",18,1);
else
Printx("Lock at index %d released successfully\n",39,lock*10000000);
Printx("\nTest4.1 is releasing lock at index 2\n",38,1);
lock = Release(2);
if (lock == -1)
Printx("Lock not released\n",18,1);
else
Printx("Lock at index %d released successfully\n",39,lock*10000000);
Exit(0);
}
/* Test to make sure that bad index will be blocked before the syscall */
void acquire_Lock_Bad_Index(){
Write("Testing Acquire on negative index\n", sizeof("Testing Acquire on negative index\n"), ConsoleOutput);
Acquire(-1);
Write("Testing Acquire on out of bounds index\n", sizeof("Testing Acquire on out of bounds index\n"), ConsoleOutput);
Acquire(12);
}
/*------------------------------------------------------------------------------*/
void AkindDI::JoyAdd( void )
{
m_pDInput->EnumDevices( DIDEVTYPE_JOYSTICK, JoyCallback, this, DIEDFL_ATTACHEDONLY );
Acquire();
}
/* Test to make sure that already deleted lock cannot be acquired */
void acquire_Lock_Already_Deleted(){
Write("Testing Acquire on on deleted lock, lock_1\n", sizeof("Testing Acquire on on deleted lock, lock_1\n"), ConsoleOutput);
Acquire(lock_1);
}
void patient()
{
int myIndex,k;
int patientWaitingCount;
Acquire(patientIndexLock);
myIndex=GetMV(globalPatientIndexMV,0);
SetMV(globalPatientIndexMV,0,myIndex+1);
Release(patientIndexLock);
Acquire(printLock);
Printf1((unsigned int)"Adult Patient:",myIndex);
Printf((unsigned int)" has entered the Doctor's Office Waiting Room.\n");
Release(printLock);
Acquire(wrnLineLock);
if(GetMV(wrnStatusMV,0)==BUSY)
{
/*If wrn is busy, enter into line*/
/*Printf((unsigned int)" wrnStatus=>BUSY\n");*/
Acquire(printLock);
Printf1((unsigned int)"Adult Patient:",myIndex);
Printf((unsigned int)" gets in line of the Waiting Room Nurse to get registration form.\n");
Release(printLock);
patientWaitingCount=GetMV(patientWaitingCountMV,0);
SetMV(patientWaitingCountMV,0,patientWaitingCount+1);
Acquire(printLock);
Printf1((unsigned int)"Adult Patient:",myIndex);
Printf((unsigned int)" waits in line to get form\n");
Release(printLock);
Wait(patientWaitingCV,wrnLineLock);
}
else if(GetMV(wrnStatusMV,0)==FREE)
{
/* If wrn is FREE, make wrnStatus = BUSY*/
Printf1((unsigned int)"Adult Patient:",myIndex);
Printf((unsigned int)" finds no one is in line\n");
SetMV(wrnStatusMV,0,BUSY);
}
Release(wrnLineLock);
Acquire(wrnLock);
SetMV(patientTaskMV,0,GETFORM);
SetMV(patientGettingFormMV,0,myIndex);
Signal(wrnWaitingCV,wrnLock);
Release(wrnLock);
/* Allocate random values of age & name to patient*/
Acquire(infoLock);
/*SetMV(patientES_age,myIndex,random()%100 + 1);
SetMV(patientES_name,myIndex,random()%26 + 1);
SetMV(patientES_pid,myIndex,myIndex);*/
Release(infoLock);
for(k=0;k<10;k=k+1) {
Yield();
}
Acquire(wrnLineLock);
if(GetMV(wrnStatusMV,0) == BUSY)
{
/*Printf((unsigned int)"wrnStatus => Busy\n");*/
Acquire(printLock);
Printf1((unsigned int)"Adult Patient:",myIndex);
Printf((unsigned int)" gets in line of the Waiting Room Nurse to submit registration form.\n");
Release(printLock);
patientWaitingCount=GetMV(patientWaitingCountMV,0);
SetMV(patientWaitingCountMV,0,patientWaitingCount+1);
Wait(patientWaitingCV,wrnLineLock);
}
else if(GetMV(wrnStatusMV,0) == FREE)
{
/*Printf((unsigned int)"wrnStatus=>Free\n");*/
SetMV(wrnStatusMV,0,BUSY);
}
Release(wrnLineLock);
Acquire(wrnLock);
SetMV(patientTaskMV,0, GIVEFORM);
SetMV(patientGivingFormMV,0, myIndex);
Acquire(printLock);
Printf1((unsigned int)"Adult patient:",myIndex);
Printf((unsigned int)" submits the filled form to the Waiting Room Nurse.\n");
Release(printLock);
Signal(wrnWaitingCV,wrnLock);
Release(wrnLock);
}
/* Default test to check if signal syscall works */
void signal_Test(){
Write("Testing Signal on cv_2\n", sizeof("Testing Signal on cv_2\n"), ConsoleOutput);
Acquire(lock_2);
Signal(cv_2, lock_2);
Release(lock_2);
}
void CarlJrSimulation (void)
{
/***************************************************************************************
Intialization of Global Counters
***************************************************************************************/
int NoOfEatIn=0;
int NoOfToGo=0;
int iInitCntr=0;
int jInitCntr=0;
int iOTCtr=0;
int iCustCtr=0;
PersonCount.NoOfOT=0;
PersonCount.NoOfCust=0;
PersonCount.NoOfCooks=0;
PersonCount.NoOfWaiters=0;
PersonCount.NoOfMgr=1;
/***************************************************************************************
Intialization of Global Variables
***************************************************************************************/
custLineLength=0;
CustCount=0;
OTcount=0;
CookCount=0;
WaiterCount=0;
MoneyInRstrnt=0;
TotalTables=25;
CustLeft=0;
SleepingWaiterCount=0;
ActiveOTCount=0;
DestroyAllLockCV=1;
/***************************************************************************************
Intialization of Global Arrays
***************************************************************************************/
for(iInitCntr=0;iInitCntr<MAX_SIZE;iInitCntr++)
{
SigCustList[iInitCntr]=EatInCustWaitingForFood[iInitCntr]=ToGoCustWaitingForFood[iInitCntr]=\
ToGoGrabedFood[iInitCntr]=TableAllotedCustList[iInitCntr]=-1;
OrderTakerStatus[iInitCntr]=FREE;
}
iInitCntr=0;
for(iInitCntr=0;iInitCntr<MAX_SIZE;iInitCntr++)
{
for(jInitCntr=0;jInitCntr<MAX_SIZE;jInitCntr++)
{
GrabedFood[iInitCntr][jInitCntr]=MgrCookStyleLst[iInitCntr][jInitCntr]=TblNeededCustList[iInitCntr][jInitCntr]=-1;
}
}
iInitCntr=0;
jInitCntr=0;
/*CookStyle[4][40]={"$6 Burger","$3 Burger","Veggie Burger","French Fries"};*/
ManagerInstrToStop[4];
CookedFood[5]=100000000;
for(iInitCntr=0;iInitCntr<5;iInitCntr++)
{
FoodToBeCooked[iInitCntr]=FoodLevelCheckIteration[iInitCntr]=0;
Inventory[iInitCntr]=250;
CookedFood[iInitCntr]=100;
}
iInitCntr=0;
/*Print("Before locks\n");*/
/***************************************************************************************
Intialization of locks
***************************************************************************************/
CustDataLock=CreateLock("CustDataLock", 12);
InventoryLock=CreateLock("InventoryLock", 13);
MgrCookStatUpdateLock=CreateLock("MgrCookStatUpdateLock", 21);
CookQLock=CreateLock("InventoryLock", 13);
SigCustListLock=CreateLock("SigCustListLock", 15);
GrabedFoodLock=CreateLock("GrabedFoodLock", 14);
EatInCustWaitingForFoodLock=CreateLock("EatInCustWaitingForFoodLock", 27);
ToGoCustWaitingForFoodLock=CreateLock("ToGoCustWaitingForFoodLock", 26);
ToGoGrabedFoodLock=CreateLock("ToGoGrabedFoodLock", 18);
MgrCookStyleLstLock=CreateLock("MgrCookStyleLstLock", 19);
MonitorAmtOfMoneyLock=CreateLock("MonitorAmtOfMoneyLock", 21);
OTStatusUpdateLock=CreateLock("OTStatusUpdateLock", 18);
CookedFoodLock=CreateLock("CookedFoodLock", 14);
TableAllotedCustLock=CreateLock("TableAllotedCustLock", 20);
WaitersQLock=CreateLock("WaitersQLock", 12);
TotalTablesUpdateLock=CreateLock("TotalTablesUpdateLock", 21);
TblNeededCustLock=CreateLock("TblNeededCustLock", 17);
FoodToBeCookedUpdateLock=CreateLock("FoodToBeCookedUpdateLock", 24);
CustCountLock=CreateLock("CustCountLock", 13);
OTCountLock=CreateLock("OTCountLock", 11);
WaiterCountLock=CreateLock("WaiterCountLock",15);
custLineLock=CreateLock("custLineLock",12);
AliveCustCountLock=CreateLock("AliveCustCountLock",18);
SleepingWaiterCountLock=CreateLock("SleepingWaiterCountLock",23);
ActiveOTCountLock=CreateLock("ActiveOTCountLock",17);
iInitCntr=0;
for(iInitCntr=0;iInitCntr<MAX_SIZE;iInitCntr++)
{
NeedInventoryLock[iInitCntr]=CreateLock("NeedInventoryLock",17);
OrderTakerLock[iInitCntr]=CreateLock("OrderTakerLock",14);
NeedTableLock[iInitCntr]=CreateLock("NeedTableLock",12);
NeedWaitersLock[iInitCntr]=CreateLock("NeedWaitersLock",15);
}
/*Print1("MAX LOCK COUNT =%d\n",NeedWaitersLock[iInitCntr]);*/
iInitCntr=0;
/***************************************************************************************
Intialization of all Condition Variables
***************************************************************************************/
CookQCV=CreateCondition("CookQCV",7);
custWaitingCV=CreateCondition("custWaitingCV",13);
WaitersCV=CreateCondition("WaitersCV",9);
iInitCntr=0;
for(iInitCntr=0;iInitCntr<MAX_SIZE;iInitCntr++)
{
OTWaitingCV[iInitCntr]=CreateCondition("OTWaitingCV",11);
NeedInventoryCV[iInitCntr]=CreateCondition("NeedInventoryCV",15);
NeedTableCV[iInitCntr]=CreateCondition("NeedTableCV",11);
NeedWaitersCV[iInitCntr]=CreateCondition("NeedWaitersCV",13);
}
iInitCntr=0;
/*Print("Please enter the number of Customers:");
PersonCount.NoOfCust=Scan("%d");
Print("Please enter the number of Order Takers:");
PersonCount.NoOfOT=Scan("%d");
Print("Please enter the number of Waiters:");
PersonCount.NoOfWaiters=Scan("%d");
Print("Please enter the number of Cooks:");
PersonCount.NoOfCooks=Scan("%d");*/
PersonCount.NoOfCust=20;
PersonCount.NoOfOT=4;
PersonCount.NoOfWaiters=3;
PersonCount.NoOfCooks=4;
Acquire(AliveCustCountLock);
AliveCustCount=PersonCount.NoOfCust;
Release(AliveCustCountLock);
Acquire(ActiveOTCountLock);
ActiveOTCount=PersonCount.NoOfOT;
Release(ActiveOTCountLock);
/* create OrderTaker threads */
for(iOTCtr=0; iOTCtr<PersonCount.NoOfOT; iOTCtr++)
{
Fork(OrderTaker);
}
/* create Customer threads */
for(iCustCtr=0; iCustCtr<PersonCount.NoOfCust; iCustCtr++)
{
/*Logic to determine eat-in or To-go type*/
NoOfEatIn = (2*(PersonCount.NoOfCust))/3;
NoOfToGo = (PersonCount.NoOfCust) - NoOfEatIn;
if(iCustCtr <= NoOfEatIn )
{
Init_CustomerData(0, iCustCtr);
}
else
{
Init_CustomerData(1, iCustCtr);
}
Fork(Customer);
}
/*Create Waiters*/
iInitCntr=0;
for (iInitCntr=0; iInitCntr<PersonCount.NoOfWaiters; iInitCntr++)
{
Fork(Waiter);
}
iInitCntr=0;
/*Create Cooks*/
for (iInitCntr=0; iInitCntr<PersonCount.NoOfCooks; iInitCntr++)
{
/*Fork(Cook);*/
}
iInitCntr=0;
/*Create Manager*/
Fork(Manager);
}
void SenatorRun() {
int cashDollars;
int clerkStatus;
int index;
int tid;
tid = GetThreadID();
Acquire(customerSenatorUIDLock);
index = customerSenatorUID++;
Release(customerSenatorUIDLock);
tprintf("Senator[%d]: Acquiring customerOfficeLock\n", index,0,0,"","");
/*customerOfficeLock->Acquire();*/
Acquire(entryLock);
if (customersInOffice > 0){
tprintf("Senator[%d]: There are other Customers in office, going to Senator waiting room\n", index,0,0,"","");
senatorsInWaitingRoom++;
tprintf("Senator[%d]: In the waiting room, taking a nap...\n", index,0,0,"","");
/*senatorWaitingRoomCV->Wait(senatorWaitingRoomLock);*/
Wait(senatorWaitingRoomCV, entryLock);
tprintf("Senator[%d]: Waking up, going to the passport office!\n", index,0,0,"","");
senatorsInWaitingRoom--;
}
tprintf("Senator [%d]: Entering the passport office...\n",index,0,0,"","");
/*senator start up code*/
cashDollars = ((Rand() % 4) * 500) + 100;
printf("Senator [%d] has money = [$%d] ... tid = %d\n",index,cashDollars,tid,"","");
senatorsInOffice++;
Release(entryLock);
/*choose line*/
tprintf("Senator [%d]: Deciding between AppClerk and PictureClerk...\n", index,0,0,"","");
if(cashDollars > 100) /*find priveledged line with shortest length*/
{
/*appPicLineLock->Acquire();*/
Acquire(appPicLineLock);
printf("Senator [%d] finds the minimum [priveledged] queue for [ApplicationClerk/PictureClerk]\n", index,0,0,"","");
if(privAppLineLength<=privPicLineLength)
{
/*appPicLineLock->Release();*/
Release(appPicLineLock);
printf("Senator [%d] goes to [ApplicationClerk] first.\n",index,0,0,"","");
doAppClerk(&index, &cashDollars);
doPicClerk(&index, &cashDollars);
}
else
{
/*appPicLineLock->Release();*/
Release(appPicLineLock);
printf("Senator [%d] goes to [PictureClerk] first.\n",index,0,0,"","");
doPicClerk(&index, &cashDollars);
doAppClerk(&index, &cashDollars);
}
}
else/*find regular line with shortest length*/
{
/*appPicLineLock->Acquire();*/
Acquire(appPicLineLock);
printf("Senator [%d] finds the minimum [regular] queue for [ApplicationClerk/PictureClerk]\n", index,0,0,"","");
if(regAppLineLength<=regPicLineLength)
{
/*appPicLineLock->Release();*/
Release(appPicLineLock);
printf("Senator [%d] goes to [ApplicationClerk].\n",index,0,0,"","");
doAppClerk(&index, &cashDollars);
doPicClerk(&index, &cashDollars);
}
else
{
/*appPicLineLock->Release();*/
Release(appPicLineLock);
printf("Senator [%d] goes to [PictureClerk].\n",index,0,0,"","");
doPicClerk(&index, &cashDollars);
doAppClerk(&index, &cashDollars);
}
}
/*hit up the passport clerk*/
doPassPortClerk(&index, &cashDollars);
/*proceed to cashier*/
doCashierClerk(&index, &cashDollars);
Exit(0);
}
void OrderTaker()
{
int MyCustID = -1;
int CustFoodIsReady =-1;
int Poped_CID = -1;
int Poped_OT = -1;
int i=0;
int myOTId=0;
Acquire(OTCountLock);
myOTId = OTcount++;
Release(OTCountLock);
/*Print1("Created %d OT\n", myOTId);*/
while(1)
{
Acquire(AliveCustCountLock);
if(AliveCustCount==0)
{
Acquire(ActiveOTCountLock);
ActiveOTCount--;
Release(ActiveOTCountLock);
Release(AliveCustCountLock);
Exit(1);
}
else
Release(AliveCustCountLock);
Acquire(custLineLock);
/*Are there any waiting customers?*/
if(custLineLength > 0)
{
Signal(custWaitingCV,custLineLock);
custLineLength--;
Release(custLineLock);
Acquire(OTStatusUpdateLock);
OrderTakerStatus[myOTId]=WAITING;
Release(OTStatusUpdateLock);
}
/*Is there any food to bag?*/
else
{
Release(custLineLock);
Acquire(EatInCustWaitingForFoodLock);
for(i=0;i<MAX_SIZE;i++)
{
if(EatInCustWaitingForFood[i]==1)
{
EatInCustWaitingForFood[i]=0;
MyCustID=i;
break;
}
}
i=0;
/*For (each) this customer, check if his order is ready for each type of food*/
if(MyCustID!=-1)
{
CustFoodIsReady = IsCustomerFoodReady (MyCustID);
/* if CustFoodIsReady = 1, Food is ready and can be grabed*/
if (CustFoodIsReady==1)
{
Acquire(GrabedFoodLock);
GrabedFood[myOTId][MyCustID]=1;/* 1 means food is grabed and 0 means otherwise*/
Release(GrabedFoodLock);
Print2("OrderTaker[%d] packed the food for Customer[%d]\n",myOTId, MyCustID);
MyCustID=-1;
Release(EatInCustWaitingForFoodLock);
}
else
{
/*list of customers to whom token should be handled but shouldnt grab the food*/
/*this Q is as good as saying who gave token number to whom when they wanna wait*/
EatInCustWaitingForFood[MyCustID]=1;
Print1("OrderTaker[%d] gives token number to Customer[%d]\n", MyCustID);
MyCustID=-1;
Release(EatInCustWaitingForFoodLock);
}
}
else
{
Release(EatInCustWaitingForFoodLock);
Acquire(ToGoCustWaitingForFoodLock);
i=0;
for(i=0;i<MAX_SIZE;i++)
{
if(ToGoCustWaitingForFood[i]==1)
{
ToGoCustWaitingForFood[i]=0;
MyCustID=i;
break;
}
}
i=0;
if(MyCustID!=-1)
{
CustFoodIsReady = IsCustomerFoodReady (MyCustID);
/* if CustFoodIsReady = 1, Food is ready and can be grabed*/
if (CustFoodIsReady==1)
{
Acquire(GrabedFoodLock);
GrabedFood[myOTId][MyCustID]=1;/* 1 means food is grabed and 0 means otherwise*/
Release(GrabedFoodLock);
Print2("OrderTaker[%d] gives food to the Customer[%d]\n",myOTId, MyCustID);
MyCustID=-1;
Release(ToGoCustWaitingForFoodLock);
}
else
{
/*list of customers to whom token should be handled but shouldnt grab the food
/*this Q is as good as saying who gave token number to whom when they wanna wait*/
ToGoCustWaitingForFood[MyCustID]=1;
Print2("OrderTaker[%d] gives token number to Customer[%d]\n",myOTId, MyCustID);
MyCustID=-1;
Release(ToGoCustWaitingForFoodLock);
}
}
else
{
Release(ToGoCustWaitingForFoodLock);
/*Nothing to do
/*Set OT status to FREE*/
Acquire(OTStatusUpdateLock);
OrderTakerStatus[myOTId]=FREE;
Release(OTStatusUpdateLock);
Acquire(AliveCustCountLock);
if(AliveCustCount==0)
{
Acquire(ActiveOTCountLock);
ActiveOTCount--;
Release(ActiveOTCountLock);
Release(AliveCustCountLock);
Exit(1);
}
else
Release(AliveCustCountLock);
}
}
}
/*Now, OT is ready to take order
/* Take interaction lock*/
Acquire(OrderTakerLock[myOTId]);
/*release hold on CustLineLen
/*OT should wait until customer signals him with orders*/
/*Print1(" %d OT waiting for customers to signal\n", myOTId);*/
Wait(OTWaitingCV[myOTId],OrderTakerLock[myOTId]);
/*Print1(" %d OT waiting for customers is siganlled!! Yay!!\n", myOTId);*/
/*When I'm here, Customer has signaled that his order is ready*/
/*Compute the money and handle the token number.*/
/*check which customer signalled me?*/
Acquire(SigCustListLock);
/*Print2("Acquiried SigCustListLock%d by %d\n",SigCustListLock,myOTId);*/
i=0;
for(i=0;i<MAX_SIZE;i++)
{
/*Print("Inside For loop\n");*/
if(SigCustList[i]==myOTId)
{
MyCustID=i;
SigCustList[i]=-1;
break;
}
}
i=0;
/*Print2("Releasing SigCustListLock%d by %d\n",SigCustListLock,myOTId);*/
/*Print1("Cust ID after I poped out %d\n",MyCustID);*/
Acquire(MonitorAmtOfMoneyLock);
Acquire(CustDataLock);
MoneyInRstrnt = (6 * CustData[MyCustID].Food[0] + 3 * CustData[MyCustID].Food[1] + 4 * CustData[MyCustID].Food[2] \
+ 2 * CustData[MyCustID].Food[3] + CustData[MyCustID].Food[4]);
Release(MonitorAmtOfMoneyLock);
Release(SigCustListLock);
Release(CustDataLock);
Print2("OrderTaker[%d] is taking order of the Customer [%d]\n", myOTId, MyCustID);
/*Order Processing
/* Check the customer style of eating - eat in or to-go?*/
Acquire(CustDataLock);
if( CustData[MyCustID].TypeOfFood == 0)
{
Release(CustDataLock);
/*Eat - in customers
/*If type of food is only Soda, token is handled
/*and add to GrabedFood*/
if( MyCustID%5==4)
{
/*Update the list which waiter will look to serve customers*/
Acquire(GrabedFoodLock);
GrabedFood[myOTId][MyCustID]=1;
Release(GrabedFoodLock);
}
/* Customers with multiple orders*/
else
{
/*For (each) this customer, check if his order is ready for each type of food*/
CustFoodIsReady = IsCustomerFoodReady (MyCustID);
/* if CustFoodIsReady = 1, Food is ready and can be grabed*/
if (CustFoodIsReady==1)
{
Acquire(GrabedFoodLock);
GrabedFood[myOTId][MyCustID]=1;/* 1 means food is grabed and 0 means otherwise*/
Release(GrabedFoodLock);
Print2("OrderTaker[%d] gives token number to Customer[%d]\n",myOTId, MyCustID);
}
else
{
/*list of customers to whom token should be handled but shouldnt grab the food
/*this Q is as good as saying who gave token number to whom when they wanna wait*/
Acquire(EatInCustWaitingForFoodLock);
EatInCustWaitingForFood[MyCustID]=1;
Release(EatInCustWaitingForFoodLock);
Print2("OrderTaker[%d] gives token number to Customer[%d]\n",myOTId, MyCustID);
}
}
}
/* Customers of type togo*/
else
{
Release(CustDataLock);
if( MyCustID%5 == 4)/* If customer needs only Soda*/
{
/*Signal this waiting customer and "wait" for him to acknowledge*/
/*If acknowledged, signal the waiting customer and Customer threads finishes*/
}
/* Customers with multiple orders*/
else
{
/*For (each) this customer, check if his order is ready for each type of food*/
CustFoodIsReady = IsCustomerFoodReady (MyCustID);
/* if CustFoodIsReady = 1, Food is ready and can be grabed*/
if (CustFoodIsReady==1)
{
Acquire(ToGoGrabedFoodLock);
ToGoGrabedFood[MyCustID]=1;
Release(ToGoGrabedFoodLock);
Print2("OrderTaker[%d] packed the food for Customer[%d]\n",myOTId, MyCustID);
/*Signal(OTWaitingCV[myOTId],OrderTakerLock[myOTId]);
Release(OrderTakerLock[myOTId]);
continue;*/
}
else
{
/*list of customers to whom token should be handled but shouldnt grab the food*/
/*this Q is as good as saying who gave token number to whom when they wanna wait*/
Acquire(ToGoCustWaitingForFoodLock);
ToGoCustWaitingForFood[MyCustID]=1;
Release(ToGoCustWaitingForFoodLock);
Print2("OrderTaker[%d] gives token number to Customer[%d]\n",myOTId, MyCustID);
}
}
}
/*Order processed Signal the customer to get out of sleep!*/
Signal(OTWaitingCV[myOTId],OrderTakerLock[myOTId]);
Release(OrderTakerLock[myOTId]);
Acquire(custLineLock);
/*Are there any waiting customers?*/
if(custLineLength==0)
{
Release(custLineLock);
Acquire(ActiveOTCountLock);
ActiveOTCount--;
Release(ActiveOTCountLock);
/*Print1("\t\t\t\n\nOT %d is exiting\n\n\n\n",myOTId);*/
Exit(1);
}
else
Release(custLineLock);
}/*end of while()*/
}/*end of OrderTaker()*/
static void doAppClerk(int* index, int* cashDollars)
{
bool privLine = FALSE;
int myClerk, x;
while(TRUE)
{
myClerk = -1;
tprintf("Senator [%d]: Going to the AppClerk\n",*index,0,0,"","");
/*appPicLineLock->Acquire(); */
Acquire(appPicLineLock);
tprintf("Senator [%d]: What line should I choose for the AppClerk?\n",*index,0,0,"","");
/*check for senator*/
if(*cashDollars > 100) /*get in a privledged line*/
{
privLine = TRUE;
tprintf("Senator [%d]: Priveleged line, baby. CashDollars = $%d\n",*index,*cashDollars,0,"","");
privAppLineLength++;
tprintf("Senator [%d]: Waiting in the Priveledged Line for next available AppClerk\n",*index,0,0,"","");
/*privAppLineCV->Wait(appPicLineLock); //wait for clerk */
Wait(privAppLineCV, appPicLineLock);
}
else /*get in a normal line*/
{
tprintf("Senator [%d]: Regular line, suckas. CashDollars = $%d\n",*index,*cashDollars,0,"","");
regAppLineLength++;
tprintf("Senator [%d]: Waiting in the Regular Line for next available AppClerk\n",*index,0,0,"","");
/*regAppLineCV->Wait(appPicLineLock); //wait for clerk */
Wait(regAppLineCV, appPicLineLock);
}
tprintf("Senator [%d]: Finding available AppClerk...\n",*index,0,0,"","");
for(x = 0; x < MAX_APP_CLERKS; x++)
{
if(appClerkStatuses[x] == CLERK_AVAILABLE) /*find available clerk*/
{
myClerk = x;
tprintf("Senator [%d]: Going to chill with AppClerk [%d]\n",*index,myClerk,0,"","");
appClerkStatuses[myClerk] = CLERK_BUSY;
break;
}
else
tprintf("Senator [%d]: AppClerk [%d] is unavailable\n",*index,x,0,"","");
}
if (myClerk == -1) {
printf("Senator [%d]: Woke up with a AppClerk index of -1, halting the machine for now.",*index,0,0,"","");
Halt();
}
/*appClerkLocks[myClerk]->Acquire();
appPicLineLock->Release();*/
Acquire(appClerkLocks[myClerk]);
Release(appPicLineLock);
if(privLine)
{
printf("Senator [%d] is willing to pay $500 to ApplicationClerk [%d] for moving ahead in line\n",*index, myClerk,0,"","");
appClerkMoney[myClerk] += 500;
appClerkBribed[myClerk] = TRUE;
*cashDollars -= 500;
}
tprintf("Senator [%d]: Interacting with AppClerk [%d]\n",*index,myClerk,0,"","");
/*interact with clerk */
printf("Senator [%d] gives application to ApplicationClerk [%d] = [SSN: %d].\n", *index,myClerk,*index,"","");
appClerkSSNs[myClerk] = *index;
/*appClerkCVs[myClerk]->Signal(appClerkLocks[myClerk]);*/
Signal(appClerkCVs[myClerk], appClerkLocks[myClerk]);
/*appClerkCVs[myClerk]->Wait(appClerkLocks[myClerk]);*/
Wait(appClerkCVs[myClerk], appClerkLocks[myClerk]);
printf("Senator [%d] is informed by ApplicationClerk [%d] that the application has been filed.\n", *index, myClerk,0,"","");
tprintf("Senator [%d]: Done and done.\n",*index,0,0,"","");
/*appClerkLocks[myClerk]->Release();*/
Release(appClerkLocks[myClerk]);
tprintf("Senator [%d]: Going to next clerk...\n",*index,0,0,"","");
break;
}
}
void Waiter()
{
int MyWaiterID=0;
int NoOfCustServed=0;
int i=0;
int j=0;
int k=0;
Acquire(WaiterCountLock);
MyWaiterID = WaiterCount++;
Release(WaiterCountLock);
/*Print1("Created %d Waiter\n", MyWaiterID);*/
while(1)
{
/*Check if there are customers seated and thier food is ready
Looping myself */
Acquire(GrabedFoodLock);
/*See for which customers food is grabed */
for(i=0;i<MAX_SIZE;i++)
{
if(NoOfCustServed>0)
{
NoOfCustServed=0;
break;
}
for(j=0;j<MAX_SIZE;j++)
{
if(GrabedFood[i][j]==1)
{
if(NoOfCustServed>0)
{
break;
}
Acquire(TableAllotedCustLock);
for(k=0;k<MAX_SIZE;k++) /* see if that customer is seated */
{
if(TableAllotedCustList[k]==j)
{
Acquire(NeedWaitersLock[j]); /*Customer is ready to be served*/
Signal(NeedWaitersCV[j],NeedWaitersLock[j]);
Release(NeedWaitersLock[j]);
Print3("Waiter [%d] got token number [%d] for Customer [%d]\n",MyWaiterID,j,j);
Print2("Waiter [%d] validates the token number for Customer [%d]\n",MyWaiterID,j);
Print2("Waiter [%d] serves food to Customer [%d]\n",MyWaiterID,j);
TableAllotedCustList[k]=-1;
/*Print2("TableAllotedCustList[%d]=%d\n",k,TableAllotedCustList[k]);*/
GrabedFood[i][j]=-1;
NoOfCustServed++;
Acquire(TotalTablesUpdateLock);
TotalTables++;
Release(TotalTablesUpdateLock);
break;
}
}
Release(TableAllotedCustLock);
}
}
if(NoOfCustServed>0)
{
NoOfCustServed=0;
break;
}
}
i=j=k=0;
Release(GrabedFoodLock);
for( i=0; i<20;i++)
{
/*currentThread->Yield();*/
}
/* There are no customers waiting, Waiters go on break */
Acquire(WaitersQLock);
Print1("Waiter[%d] going on break\n", MyWaiterID);
Acquire(SleepingWaiterCountLock);
SleepingWaiterCount++;
Release(SleepingWaiterCountLock);
Wait(WaitersCV,WaitersQLock);
Acquire(SleepingWaiterCountLock);
SleepingWaiterCount--;
Release(SleepingWaiterCountLock);
Release(WaitersQLock);
Acquire(AliveCustCountLock);
/*Print1("AliveCustCount%d\n",AliveCustCount);*/
if(AliveCustCount==0)
{
/*Print1("Waiter %d is exiting\n",MyWaiterID);*/
Release(AliveCustCountLock);
Exit(1);
}
else
{
Print1(" Waiter[%d] returned from break\n", MyWaiterID);
Release(AliveCustCountLock);
}
}/*end of while()*/
} /*end of waiter() */
void startAppClerk() {
int i, id;
Acquire(DataLock);
id = numActiveAppClerks;
numActiveAppClerks++;
Release(DataLock);
while(true) {
Acquire(AppClerkLineLock);
if (SenatorArrived) {
} else if (queue_size(&AppClerks[id].bribeLine) != 0) {
Signal(AppClerkLineLock, AppClerks[id].bribeLineCV);
AppClerkBribeMoney += 500;
AppClerks[id].state = 1;
AppClerks[id].currentCustomer = queue_pop(&AppClerks[id].bribeLine);
Printf("ApplicationClerk %d has received $500 from Customer %d\n",
sizeof("ApplicationClerk %d has received $500 from Customer %d\n"),
id*1000+AppClerks[id].currentCustomer);
} else if (queue_size(&AppClerks[id].line) != 0) {
Signal(AppClerkLineLock, AppClerks[id].lineCV);
AppClerks[id].state = 1;
AppClerks[id].currentCustomer = queue_pop(&AppClerks[id].line);
Printf("ApplicationClerk %d has signalled a Customer to come to their counter\n",
sizeof("ApplicationClerk %d has signalled a Customer to come to their counter\n"),
id);
} else {
Acquire(AppClerks[id].lock);
AppClerks[id].state = 2;
Printf("ApplicationClerk %d is going on break\n",
sizeof("ApplicationClerk %d is going on break\n"),
id);
if(numCustomers == 0) break;
Release(AppClerkLineLock);
Wait(AppClerks[id].lock, AppClerks[id].cv);
Printf("ApplicationClerk %d is coming off break\n",
sizeof("ApplicationClerk %d is coming off break\n"),
id);
Signal(AppClerks[id].lock, AppClerks[id].cv);
AppClerks[id].state = 0;
Release(AppClerks[id].lock);
continue;
}
Acquire(AppClerks[id].lock);
Release(AppClerkLineLock);
Wait(AppClerks[id].lock, AppClerks[id].cv);
Printf("ApplicationClerk %d has received SSN %d from Customer %d\n",
sizeof("ApplicationClerk %d has received SSN %d from Customer %d\n"),
id*1000000+AppClerks[id].currentCustomer*1000+AppClerks[id].currentCustomer);
Release(AppClerks[id].lock);
for(i =20; i<100; ++i){
Yield();
}
Acquire(AppClerks[id].lock);
Signal(AppClerks[id].lock, AppClerks[id].cv);
Printf("ApplicationClerk %d has recorded a completed application for Customer %d\n",
sizeof("ApplicationClerk %d has recorded a completed application for Customer %d\n"),
id*1000+AppClerks[id].currentCustomer);
Wait(AppClerks[id].lock, AppClerks[id].cv);
if (SenatorArrived) {
Acquire(SenatorLock);
Wait(SenatorLock, AppClerks[id].senatorCV);
Release(SenatorLock);
}
AppClerks[id].currentCustomer = -1;
Release(AppClerks[id].lock);
}
Exit(0);
}
