Am 04.02.2015 um 22:31 schrieb Lennart Poettering:
On Wed, 04.02.15 22:25, Reindl Harald (h.rei...@thelounge.net) wrote:Am 04.02.2015 um 21:57 schrieb Lennart Poettering:OK, let's try this again, with an example: a) you have one service mydaemon.service b) you have a preparation service called mydaemon-convert-config.service that takes config from somewhere, converts it into a suitable format for mydaemon.service's binary Now, you change that config that is located somewhere, issue a restart request for m-c-c.s, issue a reload request for mydaemon.service. Now, something like this should always have the result that your config change is applied to mydaemon.service. Regardless if mydaemon.service's start was queued, is already started or is currently being started. You are suggesting that the reload can suppressed when a start is already enqueuedwhich is true the config change *after* issue restart should not affect the already pending (for whatever reason) restart because this is *unpredictable* bahvior - if i expect that config change to get effective i would issue "systemctl reload" *before* the restart commandWe don't make guarantees like that. This is UNIX, we have no transaction file system. We do make guarantees about that if you changed your config and issue a reload, we will not drop that reload. We do not make guarantees whether changing your config concurrently with the daemon confuses the daemon or not. That's between the user and the daemon, we are not involved
i know that all but *you said* above "like this should always have the result that your config change is applied to mydaemon.service. Regardless if mydaemon.service's start was queued, is already started or is currently being started"
that is all i referred tono - my config change shoul *not* get applied when the daemon "is currently being started" because that is aksing for luck and race conditions and leads in unpredictable behavior
if you (systemd) know that the system is about shut down there is no point in reload services at that time
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