Review request for 6772303

Xueming Shen Xueming.Shen at Sun.COM
Fri Mar 27 15:58:04 UTC 2009

looks good, approved.

Alan Bateman wrote:
> 6772303: (se) IOException: Invalid argument" thrown on a call to 
> with -d64
> This is Solaris and 64-bit specific. In summary, the DP_POLL ioctl 
> used to retrieve events from the /dev/poll driver limits the number of 
> pollfd entries in the poll array to the maximum number of file 
> descriptors minus 1. The /dev/poll Selector uses this limit or 8k 
> (whichever is smaller) to size its poll array. This sizing breaks for 
> the unlimited case on 64-bit because RLIM64_INFINITY is negative (-3) 
> and also the code is truncating the limit to a jint. This manifests 
> with the select method throwing IOException "Invalid argument". There 
> are many ways to fix this, one of the simplest being to treat infinity 
> as Integer.MAX_VALUE.
> The webrev is here:
> Thanks,
> Alan.

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