In one of the the first threads we launch, test that errno is thread local and working, and panic with a somewhat usable message if not.
In one of the the first threads we launch, test that errno is thread local
and working, and panic with a somewhat usable message if not.

PS: And boy, are you screwed if my test sneaks though a kernel bug...



git-svn-id: 7d4b18ab7d176792635d6a7a77dd8cbbea8e8daa@4569 d4fa192b-c00b-0410-8231-f00ffab90ce4

ssm/pkg-varnish,wikimedia/operations-debs-varnish,CartoDB/Varnish-Cache,CartoDB/Varnish-Cache,ssm/pkg-varnish,CartoDB/Varnish-Cache,wikimedia/operations-debs-varnish,ssm/pkg-varnish,wikimedia/operations-debs-varnish,ssm/pkg-varnish,wikimedia/operations-debs-varnish,ssm/pkg-varnish,wikimedia/operations-debs-varnish