layout, title, folder, permalink, categories, tags
| layout | title | folder | permalink | categories | tags | |
|---|---|---|---|---|---|---|
| pattern | Mutex | mutex | /patterns/mutex/ | 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.
Class diagram
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)