>> The manual page of getaddrinfo is out of date (it is thread-safe in
>> NetBSD-current). I would suggest to look into linking with the lwres_
>> library that comes with bind9. Other than that, you can use mutexes
>> to protect the current gethostbyfoo(), but that will make it really
>> slow. Another approach is to fork, which is worse.
>
>	no, getaddrinfo is not thread-safe yet in netbsd-current.
>
>	getadddrinfo: _yp_getaddrinfo, see variable __ypcurrent

	and getnameinfo() calls thread-unsafe libraries in gethnamaddr.c (again,
	YP part) so it is not thread-safe.

itojun