[PATCH] CTDB - portability fixes and improvements

Martin Schwenke martin at meltin.net
Fri Jul 27 07:09:26 UTC 2018

On Fri, 27 Jul 2018 15:46:16 +1000, Amitay Isaacs via samba-technical
<samba-technical at lists.samba.org> wrote:

> Hi,
> Here are the patches to ctdb to make it build and run tests on freebsd.
> I would like to make sure that CTDB runs on three platforms of
> interest (Linux, freebsd, AIX).  This is a first set of patches to
> improve the portability of CTDB code and the test infrastructure.  As
> a result I have added new abstractions (line based I/O) and
> errno/signum matching utilities.
> With these changes all unit tests except 3 related to PROCESS_EXISTS
> control pass on freebsd.  Next step would be to make simple tests
> work, which test against the ctdb daemon.
> Since freebsd does not support getting peer credentials (pid) of the
> process across a unix-domain socket connection, clustered samba cannot
> work correctly on freebsd.  There is an open feature request for the
> same in freebsd bugzilla.
>     https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215202
> Even on Linux, there is a problem.  If a process sets up a connection
> to ctdbd and then forks, then the peer credential will be the pid of
> the original process and not the child process.  For CTDB to have the
> correct information, a client needs to register that information with
> CTDB.  Something we need to think about in future.
> Most of the changes are to the testing infrastructure to use shell
> features and utilities from posix standard.
> Please review and push.

Reviewed-by: Martin Schwenke <martin at meltin.net>

Pushing along with my doc fix...

peace & happiness,

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