[Aptitude-devel] Bug#764046: aptitude: race condition in config file replacement leads to warnings

[Manuel A. Fernandez Montecelo]

Control: tags -1 + pending


2014-10-05 04:12 Paul Wise:
>Package: aptitude
>Version: 0.6.11-1
>Severity: normal
>Usertags: warnings race-condition
>
>I run several cron jobs each doing aptitude searches and I often get
>this warning from aptitude:
>
>E: Unable to replace /home/pabs/.aptitude/config with new configuration file - apt_init (2: No such file or directory)
>
>Looking at the code it seems that there is a race condition when
>multiple aptitude instances are running:
>
>http://sources.debian.net/src/aptitude/0.6.11-1/src/generic/apt/apt.cc?hl=247#L247
>
>Every instance is using ~/.aptitude/config.new instead of creating a
>temporary unique filename. This means that one process can rename
>the .new file before another process gets a chance to do that, which
>means the .new file disappears, rename fails and a warning is given.

Thanks Paul, fix committed, so tagging as +pending.


Cheers.
-- 
Manuel A. Fernandez Montecelo <manuel.montezelo at gmail.com>