[ldns-users] Is ldns_resolver_query() thread-safe?

Willem Toorop willem at nlnetlabs.nl
Thu Jan 25 09:12:02 UTC 2018

Hi Vladimir,

ldns is thread safe (because it doesn't use any non constant global
variables), but ldns used OpenSSL for it's DNSSEC operations.  OpenSSL
can be used thread safe when you take some safety precautions, see:


-- Willem

Op 24-01-18 om 15:28 schreef Vladimir Levijev:
> Hi,
> I couldn't get this information from the web site, so asking here. Is
> libldns thread-safe? In other words, can I create a program in which I
> would call ldns_resolver_query() in parallel in separate POSIX
> threads?
> Cheers,
> VL
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