Re: [Boost-users] Solaris Container

Subject: Re: [Boost-users] Solaris Container
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-09-07 17:45:42

AMDG

Bernhard Duebi wrote:
> I'm not a programmer, I'm only a system engineer, so please be gentle.
>
> One of our code producers compiled boost in a Solaris Zone/Container using
> SUN Studio. For testing he used a program called test. I guess it is part
> of the distribution. It tests if 2+2==4 with different calls to boost.
> The test program runs on real machines, but not in Containers.
>
> Looking at the output of truss I found a probable cause. The program
> climbs up the process tree using the proc filesystem until it reaches the
> root of the tree. In a real machine the init process has PID 1 and this
> seems the sign for the program to stop climbing. In a Container the zsched
> process has a random PID and its PPID is the same as the PID. This leads
> to an endless loop.
>
> In the test.cpp file there is not much code besides the add function and
> some calls to the boost library. So, I guess the process tree walk is done
> somewhere in the boost library. My fellow co-worker denies this strictly.
>
> As we both have no clue about boost, I want to ask you to sched some light
> on this incident.
> - Is it possible that boost does that process tree walk ?
> - Is this a known problem ?
> - Are there any hints how to solve this problem ?
>
> I talked to SUN and they say it's not their problem. There is no official
> whitepaper that requires that the init process always has PID 1.
>   

Can you post the code?

In Christ,
Steven Watanabe