Re: [naviserver-devel] Darwin DNS

[Stephen D. <sd...@gm...>]

On 10/8/05, Zoran Vasiljevic <zv...@ar...> wrote:
> No luck: this (NetBSD) system does not have any MT-safe call.
> What I did:
>
> During the configure I emit the warning if compiling under Darwin.
>
> checking for getaddrinfo in -lsocket... no
> checking for getnameinfo in -lsocket... no
> checking for getaddrinfo... yes
> checking for getnameinfo... yes
> checking for gethostbyname_r... no
> checking for gethostbyaddr_r... no
> configure: WARNING: DNS queries will use non-threadsafe calls which
> could result in server instability
>
> In dns.c I added
>
> #ifdef __APPLE__
>     Ns_Cs cs;
>     Ns_CsEnter(&cs);
>     ...
>     Ns_CsLeave(&cs);
> #endif
>
> to cope with this *at least* within our own program. This does not
> guarantee that this is MT-safe because any of the rest of the
> system may call those calls anytime, hence we get problems anyways.


This doesn't seem to work on my Linux system (Fedora Core 4):

dns.c: In function 'GetHost':
dns.c:264: error: 'struct sockaddr_in' has no member named 'sin_len'