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Committer:
Kapil Thangavelu
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Author(s):
Kapil Thangavelu
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Date:
2013-01-31 14:38:56 UTC
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mfrom:
(608.2.3 serialized-hook-exec)
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Revision ID:
kapil.foss@gmail.com-20130131143856-kjrv3rgwtkeg4enh
Serialized unit execution on a machine/container
To prevent races for system resources like apt between different
units running on the same machine/container a shared file lock is
taken out for hook execution. Mechanism is resistant to dead
processes holding lock, however per previous juju behavior no
timeout is provided for maximum hook execution time.
R=jimbaker
CC=
https://codereview.appspot.com/7237043