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Which of the following is true? O If thread T calls acquire(lock) and the lock is not FREE, the return code from the function call will tell T that the lock is not available. O If thread T calls acquire(lock) and the lock is not FREE, then T will just sit at the function call and wait until the lock is FREE.

Which of the following is true? O If thread T calls acquire(lock) and the lock is not FREE, the return code from the function call will tell T that the lock is not available. O If thread T calls acquire(lock) and the lock is not FREE, then T will just sit at the function call and wait until the lock is FREE.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Answer the questions about c language. 

 

Which of the following is true? O If thread T calls acquire(lock) and the lock is not FREE, the return code from the function call will tell T that the lock is not available. O If thread T calls acquire(lock) and the lock is not FREE, then T will just sit at the function call and wait until the lock is FREE.
Transcribed Image Text:Which of the following is true? O If thread T calls acquire(lock) and the lock is not FREE, the return code from the function call will tell T that the lock is not available. O If thread T calls acquire(lock) and the lock is not FREE, then T will just sit at the function call and wait until the lock is FREE.
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