On Fri, 14 Apr 2023 11:58:53 GMT, Jaikiran Pai <j...@openjdk.org> wrote:
>> On linux it is implemented from >> [attachListener_linux.cpp](https://github.com/openjdk/jdk/blob/master/src/hotspot/os/linux/attachListener_linux.cpp#L361) >> and on aix it is from >> [attachListener_aix.cpp](https://github.com/openjdk/jdk/blob/master/src/hotspot/os/aix/attachListener_aix.cpp#L392) >> In both the cases when rv == -1 , it fails to get this socket option. > > Hello Varada, so the Linux version uses `SO_PEERCRED` socket option and when > it fails, the error message says "get SO_PEERCRED failed". The AIX version > uses `SO_PEERID` and if it fails, the current proposed form in this PR will > report the error message as "get failed" which wouldn't be too informative. > > I'm guessing that the reason you didn't include the socket option in the > error message is perhaps because the native socket option (on AIX) is > `SO_PEERID` but this method is named `getSoPeerCred`. So it might be > confusing to report `SO_PEERID` in the error message. Maybe you could change > the message to just "getSoPeerCred failed" instead? The method name `getSoPeerCred` is the one used in ExtendedSocketOptions.java, which we are overriding here. The supported socket option on AIX for is `SO_PEERID` . I will add `"get SO_PEERID failed"` ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/13240#discussion_r1166754770