Article:  |
Generating One-Time URLs with PHP | |
| Subject: | race condition | |
| Date: | 2002-12-10 06:32:36 | |
| From: | anonymous2 | |
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There's a nasty race condition between reading in the list of tokens and aquiring the lock. It's possible for a token to be added to the file before the lock is aquired, and this new token will not be written to the file in the loop.
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