Suppose the only mutual exclusion primitive provided to user-level threads is a command that disables interrupts for the next 32 instructions, then reenables interrupts. Explain the benefits and drawbacks of this approach.
What will be an ideal response?
The benefits are that the system can provide mutual exclusion without much computation. There is no possibility of indefinite postponement in this approach. However, an obvious drawback is that there is a limit to the size of the critical section.
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