Re: s6/s6-rc policy for Gentoo: user session tracking
Paul Sopka <[email protected]> Sat, 13 Jul 2024 12:22:04 +0200
| Newsgroups | gmane.comp.sysutils.supervision.general |
|---|---|
| Message-ID | <[email protected]> |
> These two last points, if you really decide to implement them like that in > the final version, may require some synchronization, e.g. via file locking. > It is not impossible (I mean, it is quite unlikely, but especially with > automated CI systems not impossible *at all*) for two SSH sessions to > come in practically at once, and I have indeed seen shell startup scripts > run the same program at the same time. Good point. If I understood everything correctly, this can be easily solved by the "flock" command, right? > It would be... interesting to have one login session write the first line, > then another session immediately write the second one, and then neither of > them will find exactly one line in the file 🙂 And same for logout. Indeed. Have a nice weekend! Paul
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