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Operating System: Consider the following pseudo-code routines to provide a solution to the critical section problem between two threads in a uniprocessor system. In addition
Operating System:
Consider the following pseudo-code routines to provide a solution to the critical section problem between two threads in a uniprocessor system. In addition to the two disadvantages of busy waiting and good for only two threads, there is a major flaw in the routines. Explain this major flaw:
Intially, turn == 0 entry (id) { while (turn !=id); } /* if not my turn, spin */ exit (id) { turn = 1 } id; /* other thread's turn*/ Note, the id is the thread id (id == 0 or 1)Step by Step Solution
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