More infrastructure networking fixes #20221
Merged
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Should make things work as intended with regards to the dyn_dns option, and falling back to the dns setting and fixed lookups if that fails. See #20192
Additionally, implements per-thread
errno
, which is a simple correctness issue. Theerrno
error number was previously accidentally shared between PSP threads, so if a game used multiple threads for networking, things could go really bad. Not sure if actually an issue in any game.