The fundamental characteristic that distinguishes a mutex from a binary semaphore is that the process that ______ the mutex must be the one to unlock it.
Understand the Problem
The question is asking to identify the key difference between a mutex and a binary semaphore. Specifically, it focuses on which process is allowed to unlock each of these synchronization primitives.
Answer
locks
The fundamental characteristic that distinguishes a mutex from a binary semaphore is that the process that locks the mutex must be the one to unlock it.
Answer for screen readers
The fundamental characteristic that distinguishes a mutex from a binary semaphore is that the process that locks the mutex must be the one to unlock it.
More Information
Mutexes and binary semaphores are both used for mutual exclusion, but mutexes have the concept of ownership, meaning only the thread that locked the mutex can unlock it. Semaphores, on the other hand, do not have this restriction.
Tips
Confusing mutexes and semaphores is a common mistake. Remember that mutexes have ownership, while semaphores do not.
Sources
- Difference between binary semaphore and mutex - Stack Overflow - stackoverflow.com
- Difference Between Binary Semaphore and Mutex - GeeksforGeeks - geeksforgeeks.org
- Mutex vs Semaphore - GeeksforGeeks - geeksforgeeks.org
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