2013/12/27 Lennart Poettering <lenn...@poettering.net>: > On Fri, 27.12.13 10:39, Marcos Felipe Rasia de Mello (marcos...@gmail.com) > wrote: > >> systemctl man page defines "kill --kill-who=control" as "kill [..] the >> control process". What is this control process? ExecStartPre= >> processes? These are killed automatically before ExecStart= according >> to https://bugzilla.redhat.com/show_bug.cgi?id=818381 , right? > > control processes are the processes that systemd starts for a service > that are not the main process. There can only be one control process and > one main process at the same time at max. Control processes are > basically all those mentioned in ExecStartPre=, ExecStartPost=, > ExecReload=, ExecStop=, ... In some cases also the one from ExecStart= > if the daemon first has to double fork to become the main service > process. > > kill --kill-who=control is particularly useful for ExecReload= or > ExecStartPost= where you might have both a control and a main process > running. It's even useful for ExecStartPre= since you might have started > a process with that which forked a couple of times, and you explicitly > just want to kill the original control process you forked, not the > children. >
Excellent. Thank you. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
