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Revision a2a1a8ca

IDa2a1a8cad1584722eb5b6be903bd090380b125ea

Added by Petr Pudlak almost 7 years ago

Add functions for atomic operations on files

Function 'atomicUpdateFile' extends 'atomicWriteFile' that allows any
action to be run on a temporary file.

Function 'atomicUpdateLockedFile' additionally locks the original file
using flock and checks if its state conforms to the last one.

Signed-off-by: Petr Pudlak <>
Reviewed-by: Klaus Aehlig <>

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