Re: [Capy/Corosio review] Benchmark results

On 29 Jun 2026 18:12, Vinnie Falco wrote:
> On Mon, Jun 29, 2026 at 8:10 AM Andrey Semashev via Boost
> <[email protected] <mailto:[email protected]>> wrote:
> 
>     My general preference is that it is best to avoid spawning
>     internal threads and instead design API in such a way that the user
>     provides a thread, if one is needed.
> 
> We try to do that but sometimes the internal thread cannot be avoided.
> For example domain name resolutions are inherently synchronous. User
> code doesn't run in the implementation-defined thread which Corosio
> launches for this.

Strictly speaking, asynchronous DNS resolvers do exist (e.g. c-ares).
But I understand that they may not be available on a given system, and
an implementation with an extra thread is needed as a fallback. In this
case, I would still prefer an option for a user to provide his own
thread for the resolver.

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