RFR: JDK-8313804: JDWP support for -Djava.net.preferIPv6Addresses=system [v2]

[David Holmes]

On Mon, 18 Sep 2023 23:44:22 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> Liam Miller-Cushon has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
>> 
>>   JDK-8313804: JDWP support for -Djava.net.preferIPv6Addresses=system
>
> Is the code starting at lines 748 and 970 still correct after your changes?

Similar to @plummercj  comment what about this code at L730:

// Try to find bind address of preferred address family first.
    for (ai = addrInfo; ai != NULL; ai = ai->ai_next) {
        if (ai->ai_family == preferredAddressFamily) {
            listenAddr = ai;
            break;
        }
    }

with AF_INET or AF_INET6 this would find a match, but with AF_UNSPEC then it seems it will just leave `ai` pointing to the last entry. ???

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PR Comment: https://git.openjdk.org/jdk/pull/15796#issuecomment-1724843726