dbus as the IPC sync method

yinxb yinxiaobiao at gmail.com
Tue Dec 27 16:54:14 PST 2011


    I  just use app container(not system container).
would you pls give me more info about the  dedicated bus config?

2011/12/27 Tanu Kaskinen <tanuk at iki.fi>:
> On Tue, 2011-12-27 at 10:04 +0800, yinxb wrote:
>>      Actually,I am using the lxc(new PID/IPC namespace) for
>> isolation,and is required to execute as root(imexplicity calls
>> clone()).When I execute
>>      root at yinxb:/home/yinxb/Downloads/dbus_test/dbus-example2#
>> ./dbus-example receive,
>> and unluckly gets the following message:
>> ----------
>> Connection Error (Did not receive a reply. Possible causes include:
>> the remote application did not send a reply, the message bus security
>> policy blocked the reply, the reply timeout expired, or the network
>> connection was broken.)
> If I didn't miss anything, this "Connection Error" is printed only when
> dbus_bus_get() fails. So, something goes wrong when connecting to the
> session bus. Is it running?
> I don't know what the exact problem is here, but is the session bus
> really the bus that you'll want to use anyway? If you're going to use
> the receiver's session bus as the shared bus, I'm pretty sure you'll
> need to do some configuration changes to allow other processes from
> other containers to connect to it. Maybe it would be better to start a
> dedicated bus for this inter-container communication?
> --
> Tanu

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