macos: use AI_UNUSABLE hint for getaddrinfo() #174
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Signed-off-by: Steven Noonan <steven@uplinklabs.net>
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On Mac OS, the
getaddrinfobehavior differs from Linux. If you do something silly like request address info forAF_INET6with an IPv4 address, it succeeds. Because of this, something likefping -6 127.0.0.1fails atsendmsgtime instead of address resolution time. There's a special hint flag that you can set on Mac OS to makegetaddrinfobehave like it would on Linux (and thus, pass the test suite).