[Bug 2641] Add systemd notify code to to track running server

bugzilla-daemon at bugzilla.mindrot.org bugzilla-daemon at bugzilla.mindrot.org
Tue Nov 28 03:29:21 AEDT 2017


Michal Koutný <mkoutny at suse.com> changed:

           What    |Removed                     |Added
                 CC|                            |mkoutny at suse.com

--- Comment #10 from Michal Koutný <mkoutny at suse.com> ---
Created attachment 3099
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3099&action=edit
notify systemd when daemon reloading

I observed a race similar to restarts during SSH daemon reloads.


ssh $REMOTE_HOST systemctl reload sshd.service ; ssh $REMOTE_HOST

Actual behavior:
The second SSH connection fails in roughly 50% cases.

Expected behavior:
First SSH blocks until daemon reloads and second connection succeeds.

I propose to extend the suggested patch in comment 6 with another
sd_notify() call (attached) so that systemd can properly track
reloading state of the daemon.

The two patches fixed the behavior in my testcase (I admit I didn't
check actual systemd handling of the notification).

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