Improve error handling when sending data to DNS server fails (macOS) #171
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This changeset improves error handling when sending data to the DNS server fails. This is a quite rare error condition but something that can be reproduced when using faulty DNS server entries on macOS (e.g. beyondcode/expose#25 (comment)).
Together with @SimonFrings, I'm currently in the process of migrating from Travis to GitHub actions and improving our test matrix. We've noticed a similar error in the (upcoming) PR for the socket component on macOS only, so I figured it's a good idea to address this upstream (here) instead.
Builds on top of #170 and reactphp/stream#157