[openssl-dev] shlibloadtest failure on non-Linux

[Nick Reilly]

On 2017-05-09 10:08 AM, Matt Caswell wrote:
>
> I'm not sure why this makes a difference. The return value of dlclose()
> tells you whether there has been an error or not. Not whether the
> library has actually been removed from address space. Or am I missing
> your point?

dlclose() is returning an error and dlerror() reports that the library 
cannot be closed as it is still in use (from the leaked reference).

> No. The whole point of OPENSSL_USE_NODELETE is to indicate that the
> library won't be unloaded until process exit because we've ensured that
> through some other mechanism (e.g. because we built it using
> "-znodelete" on Linux). We do not rely on the linux specific behaviour.
> If your platform doesn't have some other mechanism then you need to use
> the default "deliberate leak" approach.

Ok, misunderstood the intention of OPENSSL_USE_NODELETE, didn't realise 
it meant -znodelete.

Thanks,
Nick.