[systemd-devel] changed property value in signal

[Lennart Poettering]

On Thu, 02.07.15 10:18, Pradeepa Kumar (cdpradeepa at gmail.com) wrote:

> hi
> I am new to systemd.
> I am using systemd 208, libdbus-1-3_1.4.18-1ubuntu1.4_i386.deb
> I am to monitor unit stop/failure in my application .
> So I am subscribing to propertiesChanged signal and paring SubState.
> The propertieschanged message contains a dictionary and invalidated  list
> of properties.
> But the dictionary is empty(which is supposed to contain new value of
> changed properties), so i am left with querying new values of the changed
> property from list of invalidated properties list.
> 
> - please let me know how do i get new values in the signal msg
>   itself

you don't. We just invalidate the props, you have to query them
aftwards yourself, to determine the new value.

> - is this issue fixed.? if yes in which version? which version i need to
> upgrade

We take the liberty to invalidate some props and send the full value
of others along. it's not considered api really which prop gets which
behaviour...

> - where do i see commit logs/ version history

Just check out the systemd git repository.

Lennart

-- 
Lennart Poettering, Red Hat