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Mutex

Difficulty-Intermediate Java Concurrency

Also known as

Mutual Exclusion Lock Binary Semaphore

Intent

Create a lock which only allows a single thread to access a resource at any one instant.

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Applicability

Use a Mutex when

  • you need to prevent two threads accessing a critical section at the same time
  • concurrent access to a resource could lead to a race condition

Credits

  • [Lock (computer science)] (http://en.wikipedia.org/wiki/Lock_(computer_science))
  • [Semaphores] (http://tutorials.jenkov.com/java-concurrency/semaphores.html)