Worsening of selftest thread leaking

[Vincent Ladeuil]

>>>>> Martin (gzlist) <gzlist at googlemail.com> writes:

    > For those not familiar with the threading problems with
    > selftest[bug392127] the root cause is essentially that a number of the
    > client-server tests spin up a new thread and don't rejoin it. These
    > generally finish up of their own accord, or quietly block till process
    > termination, and can cause some knock-on problems[bug531746] but are
    > generally harmless provided you have the ram for their stacks.
    > However, they've gone from being an annoyance (issue seen by other
    > people) to a real problem (issue seen by *me*!) causing random
    > failures, hangs, and crazy memory usage.

I should have warned you, this bug is really shy and tend to react
aggressively when you try to observe it...

Other than that, I intend to track it again RSN (tm).

             Vincent