Assignment 3 Electronic fund transfer (EFT)

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Assignment 3
EEL4732/5733 Advanced System Programming
In this assignment, you are going to simulate electronic fund transfer (EFT) between bank
accounts. We will assume that there is just one bank and several accounts. Your program will
take an input file in the form
AccountNo1 <space> initialBalance1
AccountNo2 <space> initialBalance2
AccountNoN <space> initialBalanceN
Transfer <space> accountNoFrom1 <space> accountNoTo1 <space> Amount1
Transfer <space> accountNoFrom1 <space> accountNoTo2 <space> Amount2

Transfer <space> accountNoFrom1 <space> accountNoTo1 <space> Amount1
which first lists the accounts in the system along with the initial balances and then lists the
transfers between accounts. You can assume that all transfers refer to existing accounts and
all initial balances and the transfer amounts are nonnegative integers.
Your program should take one more parameter to denote the number of worker threads that
will run in parallel. Note that the main thread will initialize the accounts, read the input file and
assign work (EFTs) to worker threads in a round-robin fashion until all transfers are processed.
It is possible that an account may be overdrawn and gets a negative value while processing.
Your program should output on the standard output the amount in each account (in the order
specified in the input file) once all transfers are computed.
Usage of your program:
$ transfProg inputFile numWorkers
So, as an example, assuming the input file is as below
1 1000
2 50
3 400
4 150
Transfer 1 2 200
Transfer 1 4 50
Transfer 2 3 100
your program should produce the following output regardless of the number of worker threads
1 750
2 150
3 500
4 200
To get full credit, your solution should maximize concurrency, be free of race conditions and
deadlocks, and produce the correct output. You can use mutexes and condition variables
and/or semaphores for synchronizing your threads. Please submit your files (source, README,
and a Makefile) on CANVAS by the due date.


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