On Mon, 18 Sep 2023 23:44:22 GMT, Chris Plummer <cjplum...@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. ???
I think that's covered by the logic that follows it on L738. If that loop fails
to initialize `listenAddr`, it gets set to the first address, which I think is
what we want:
if (listenAddr == NULL) {
// No address of preferred address family found, grab the first one.
listenAddr = &(addrInfo[0]);
}
-------------
PR Comment: https://git.openjdk.org/jdk/pull/15796#issuecomment-1724851382
