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Which of the following locking method does not supported by APC?
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- Dead locks
- IPC semaphores
- Spin locks
- File locks
- None of these
Correct Option: A
APC supports four locking methods named File locks, Spin locks, Pthread mutex, IPC semaphores. File locks are the most stable, Spin lock gives the best performance, Pthread mutex is only available in Linux version 2.6, IPC semaphores are faster than file locks.
