Writing the string and the integer to give process

Reference no: EM133383571

Question: Process A writes "10" to the integer shared memory location. It also writes the string "I am Process A" into the string shared memory location and prints it out. Process A then waits until B and C completes.

Process B first checks if the Integer shared memory location has a "10" in it. When true, it writes the string "I am Process B" into the string shared memory location and then signals A & C that it is complete by writing "20" into the integer shared memory location (note: B must wait to write into the integer shared memory location until after process A writes "10" there). Then process B quits.

Process C writes the string "I am Process C" into the string shared memory and then signals A that it is complete by writing "30" into the integer shared memory location (note: C must wait until process B writes "20" into the integer shared memory). Then process C quits.

Process A needs to keep polling the integer shared memory location continuously. After process B writes "I am Process B", process A should be able to print it out. Similarly, after process C writes "I am Process C", process A needs to be able to print it out. Here some ad-hoc

synchronization is needed. Specifically, consider using usleep() function to delay processes B and C between writing the string and the integer to give process A a chance to poll and print. Adjust the delay such that

Reference no: EM133383571

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