select on pgmsocket and linux pipe doesn't work to capture pipe's incoming data

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environment : 
Linux : 2.6.18-164.11.1.el5
openpgm version : openpgm-5.1.118 

Can someone please help with the following issue : 

when we do select on read operation on  pgmsocket (pgmsocket is set at blocking 
mode ) and linux pipes, if there is not pgmdata, the select seems to be able to 
correctly return with pipe socketId set (if there is incoming data in pipe). 

However, if there is incoming data for pgmsocket, when select returns, it only 
captures socektId for pgmsocket, not pipe socketId, even though there is 
incoming data for the pipe.

Thanks,
Frank

Original issue reported on code.google.com by [email protected] on 24 May 2012 at 4:30