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Top Forums UNIX for Advanced & Expert Users How to check a single process instance is always running? Post 302901318 by techmonk on Tuesday 13th of May 2014 08:46:44 AM
Old 05-13-2014
The "record - locking" concept ensures, one copy of process is running. If each daemon creates a file and places a write lock on the entire file, only one such write lock will be allowed to be created. Successive attempts to create write locks will fail.
 

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