Question: 9. Given this segment of code from the previous problem, determine where a mutex is needed. Explain your answer. (10 Points) int fibfint n) f

9. Given this segment of code from the previous problem, determine

9. Given this segment of code from the previous problem, determine where a mutex is needed. Explain your answer. (10 Points) int fibfint n) f iffn o) return -1: ifin 2) return 1; return fib(n-1) +fib (n-2 void *fun(void *tid int i, max, start, *mytid, end; _tid (int *) tid: fib(30) fout

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