RFR JDK-8043495: add native FileChannelImpl.transferTo0() implementation for AIX

[Jonathan Lu]

Hi Alan,

Thank you for the comments, here's the updated webrev,
http://cr.openjdk.java.net/~luchsh/JDK-8043495-2/

On Mon, May 26, 2014 at 6:09 PM, Alan Bateman <Alan.Bateman at oracle.com>wrote:

> On 26/05/2014 10:04, Jonathan Lu wrote:
>
>> Hello,
>>
>> May I have following patch reviewed ?
>>
>> http://cr.openjdk.java.net/~luchsh/JDK-8043495/ <
>> http://cr.openjdk.java.net/%7Eluchsh/JDK-8043495/>
>>
>>
>> The patch will add native FileChannelImpl.transferTo0() implementation
>> for AIX
>> by using the 'send_file' API,
>> http://www-01.ibm.com/support/knowledgecenter/ssw_aix_71/
>> com.ibm.aix.commtrf2/send_file.htm?lang=en
>>
> Is the getsockopt needed to test the destination? I don't have access to a
> system with AIX and the man page you cite seems to detect this and give you
> the ENOTSOCK.
>

Agree, the updated patch has removed getsockopt and will check ENOTSOCK if
send_file() reports error (-1).


>
> Otherwise I don't see any issues with this, a minor consistent issue at
> L245 where it could be "< 0".
>

Fixed in the updated patch.


>
> Just looking at the OSX implementation just before this in the function
> and there is redundant ifdef __APPLE__. We could fix it with this patch or
> use another bug, I don't of course want to expand the scope of your change.
>

I'm OK with this minor removal and have done that in the second patch,
please review.


>
> -Alan
>
>
>
Thanks
Jonathan