File Locking Tricks and Traps

Length: 15 minutes

This short talk presents several common pitfalls of file locking and a few useful tricks for using file locking more effectively. I prepared it for the Philadelphia area Linux Users' Group in March 2003. Unfortunately, I prepared 15 minutes' worth of material for a 10 minute talk.

1. File Locking
2. File Locking
3. Typical Use of File Locking
4. Trap #1: LOCK_UN
5. Trick #1: Unlocking
6. Trick #2: Only one process running at a time
7. Trap #2: Failing to check for failure
8. Trick #3: Warning when Waiting
9. Trap #3: Shutting the Barn Door etc.
10. Trap #3: Shutting the Barn Door etc.
11. Trap #3: Shutting the Barn Door etc.
12. Thank You!

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