Producer Consumer program using semaphores and pthreads

Question

I have written a code for producer-consumer problem.But I am not getting the output.There is no compilation error,but warning in my program.I am confused.Trying very hard.Bu

Answer 1

There are still compiler warnings. The correct way to get the integer value from a void pointer is:

index = *(int*)arg;

And, also to pass an integer pointer, is below:

pthread_create(&idC,NULL,Consumer,(void*)&index);

I still have some doubts as to how the Consumer or the Producer thread will receive the passed integer value since that is an address of the index variable in the for loop in the main thread. As soon as index gets incremented, the Consumer or Producer thread is affected by this increment.