Re: [PATCH v1] tools/hv: async name resolution in kvp_daemon

[Sasha Levin]

On Thu, Oct 24, 2019 at 04:49:43PM +0200, Olaf Hering wrote:
> The hostname is resolved just once since commit 58125210ab3b ("Tools:
> hv: cache FQDN in kvp_daemon to avoid timeouts") to make sure the VM
> responds within the timeout limits to requests from the host.
>
> If for some reason getaddrinfo fails, the string returned by the
> "FullyQualifiedDomainName" request contains some error string, which is
> then used by tools on the host side.
>
> Adjust the code to resolve the current hostname in a separate thread.
> This thread loops until getaddrinfo returns success. During this time
> all "FullyQualifiedDomainName" requests will be answered with an empty
> string.
>
> Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>

Thank for the patch Olaf. However, it seems to break build for me:

/usr/bin/ld: hv_kvp_daemon-in.o: in function `kvp_obtain_domain_name':
/home/sasha/linux/tools/hv/hv_kvp_daemon.c:1372: undefined reference to `pthread_create'
/usr/bin/ld: /home/sasha/linux/tools/hv/hv_kvp_daemon.c:1377: undefined reference to `pthread_detach'
collect2: error: ld returned 1 exit status

--
Thanks,
Sasha