Bogus "temporary" gethostbyaddr_r() in libc for 6 years

[Terry Lambert]

Kris Kennaway wrote:
> There's a bogus implementation of gethostbyaddr_r() in
> lib/libc/net/gethostnamadr.c that was committed 6 years and nine
> months ago:
[...]
> What's the deal here? Despite the fact that this is not prototyped in
> a header, some ports are detecting this, and -- one assumes -- not
> behaving correctly since this implementation isn't thread-safe.

It should be removed.

It's really hard to write a multithreaded version of this function,
since it's essentially a request/response protocol.  The most correct
implementation would use a seperate worker thread and queue requests
to it.

-- Terry