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4 Commits

Author SHA1 Message Date
Lennart Poettering
2d4a39e759 core: introduce new stop protocol for unit scopes
By specifiy a Controller property when creating the scope a client can
specify a bus name that will be notified with a RequestStop bus signal
when the scope has been asked to shut down, instead of sending SIGTERM
to the scope processes themselves.

https://bugzilla.redhat.com/show_bug.cgi?id=1032695
2014-01-31 17:48:36 +01:00
Lennart Poettering
aec8de63b1 core: no need to list properties for PropertiesChanged messages anymore
Since the vtable includes this information anyway, let's just use that
2013-12-22 03:50:52 +01:00
Lennart Poettering
718db96199 core: convert PID 1 to libsystemd-bus
This patch converts PID 1 to libsystemd-bus and thus drops the
dependency on libdbus. The only remaining code using libdbus is a test
case that validates our bus marshalling against libdbus' marshalling,
and this dependency can be turned off.

This patch also adds a couple of things to libsystem-bus, that are
necessary to make the port work:

- Synthesizing of "Disconnected" messages when bus connections are
  severed.

- Support for attaching multiple vtables for the same interface on the
  same path.

This patch also fixes the SetDefaultTarget() and GetDefaultTarget() bus
calls which used an inappropriate signature.

As a side effect we will now generate PropertiesChanged messages which
carry property contents, rather than just invalidation information.
2013-11-20 20:52:36 +01:00
Lennart Poettering
6c12b52e19 core: add new "scope" unit type for making a unit of pre-existing processes
"Scope" units are very much like service units, however with the
difference that they are created from pre-existing processes, rather
than processes that systemd itself forks off. This means they are
generated programmatically via the bus API as transient units rather
than from static configuration read from disk. Also, they do not provide
execution-time parameters, as at the time systemd adds the processes to
the scope unit they already exist and the parameters cannot be applied
anymore.

The primary benefit of this new unit type is to create arbitrary cgroups
for worker-processes forked off an existing service.

This commit also adds a a new mode to "systemd-run" to run the specified
processes in a scope rather then a transient service.
2013-07-01 00:18:00 +02:00