> If I understand you correctly, you have multiple processes all of which
> are going to try to open /dev/foo, and you want them to behave as though
> they have each opened a unique device?
>
> You can't do this with FreeBSD, or with many other Unixes.
Any SVR4 system can support this. So can AIX.
> Arguably, this is a defect with the device model. If you are trying to
> fake up concurrent access to a device, and the client processes are only
> going to read and write (no ioctls) to this device, then you can use a
> fifo and a multiplexor process.
>
> Alternatively, and this would be recommended; fix the client program.
Or fix the device model. You can't have multiple VMWARE sessions
in FreeBSD today because of this defect in the device model.
Terry Lambert
[EMAIL PROTECTED]
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