getaddrinfo()-related replication problem on FreeBSD
andriys at gmail.com
Mon Jun 4 17:12:37 MDT 2012
> A patch to the wscript to detect platforms with this breakage (I'm
> surprised it hasn't been noticed elsewhere before!) and then a patch to
> force the flag on seems most sensible at this point.
The getaddrinfo() function on FreeBSD fails this way (i.e. returns
EAI_FAIL) only when the following conditions are met:
* The host name in question contains underscore.
* The host name in question exists. If the name does not exists the
function returns EAI_NONAME.
* The host name in question is in the DNS. If it is placed in
/etc/hosts the function succeeds.
This makes basing detection of this kind of breakage on the analysis
of the function's behavior particularly difficult. I don't see any
other way to detect this kind of breakage except by checking for a
particular OS name (and possibly version as well). Is this approach
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