Re: libcurl 8.16.0 spawning large number of getaddrinfo threads?
Demi Marie Obenour via curl-library <[email protected]> Mon, 20 Oct 2025 13:29:27 -0400
| Newsgroups | gmane.comp.web.curl.library |
|---|---|
| Message-ID | <[email protected]> |
On 10/19/25 06:01, Daniel Stenberg wrote: > On Sat, 18 Oct 2025, Demi Marie Obenour via curl-library wrote: > >> Should distros build with c-ares by default? I'm wondering if getaddrinfo() >> is just too poor an interface. > > Yes, getaddrinfo is a terrible interface and getaddrinfo_a is not helping. > > Unfortunately, doing a 100% functional drop-in replacement for getaddrinfo has > turned out to be a really difficult task. Several distros have through times > tried to ship curl built with c-ares for this reason, but so far everyone has > eventually had to back down from that decision because of some special edge > case where c-ares did not behave like getaddrinfo. > > With luck, one future day c-ares has gotten all of those problems ironed out > and we can switch to a proper asynchronous name resolver more universally... Personally I think all distros should ship a validating resolver that listens on loopback. c-ares could then talk to it. In the future it might make sense for curl to use systemd-resolved's D-Bus API or the ncsd IPC API. -- Sincerely, Demi Marie Obenour (she/her/hers) -- Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library Etiquette: https://curl.se/mail/etiquette.html
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