Steve Holden wrote:
When access is made to a file object in non-blocking mode it will return whatever data there are immediately available in the buffers, up to the number of bytes requested. If the buffers are currently empty the process will generate an error

Are you sure that's right? If so, it would seem that reading a non-blocking disk file would *never* return any data...

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Greg Ewing, Computer Science Dept,
University of Canterbury,       
Christchurch, New Zealand
http://www.cosc.canterbury.ac.nz/~greg

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