Question: Assume we have data items d1, d2,, dn with each di protected by a lock stored in memory location Mi. a. Describe the implementation of

Assume we have data items d1, d2,…, dn with each di protected by a lock stored in memory location Mi.

a. Describe the implementation of lock-X(di) and unlock(di) via the use of the test-and-set instruction.

b. Describe the implementation of lock-X(di) and unlock(di) via the use of the compare-and-swap instruction.

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