Don't overwrite errno if socket() fails on macOS/FreeBSD #368
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The unconditional call to setsockopt() even if socket() fails is breaking some of my unit tests for socket() errors because errno is overwritten with EBADF. Fixes: 42b575c (Access errno only when on the error path.)
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The unconditional call to setsockopt() even if socket() fails is breaking some of my unit tests for socket() errors because errno is overwritten with EBADF.
Fixes: 42b575c (Access errno only when on the error path.)