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authorEelco Dolstra <e.dolstra@tudelft.nl>2005-10-20T16·58+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2005-10-20T16·58+0000
commit92d599c6a7e7d197fa41167967860628b0f51e60 (patch)
treefff942089629ca75fa1574d5672d4322befffae1 /src/nix-env/names.hh
parente932c40f8e1fb6aa6edb155fbca1c1273798a20e (diff)
* Prevent uids from being used for more than one build
  simultaneously.  We do this using exclusive locks on uid files in
  /nix/var/nix/userpool, e.g., /nix/var/nix/userpool/123 for uid 123.

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