> From: "Per Ostberg" <[log in to unmask]>
> I'm having problems reading from a message file. My program is
> supposed to answer different types of requests (from a socket). One
> of the requests involves reading a message-file. The problem is that
> the messagefile may be empty and the writer may not be running, but I
> would still like to return from FREAD (so I can reply that there are
> no messages, and go on with other requests).
> What aoptions should I use in FOPEN for my FREAD to always return?
> Should I use FCONTROL( ,45,0)? IOWAIT?


If you haven't looked at it yet, the Interprocess Communications
Programmer's Guide can be quite helpful:

http://docs.hp.com/mpeix/onlinedocs/32650-90019/32650-90019.html

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