In message <[EMAIL PROTECTED]>, [EMAIL PROTECTED] writes:
>Hi folks,
>
>I have a char driver that must be opened by more than one process. The minor
>index is not sufficient for this. Is there any process private data (void *)
>in the devfs structure (or the opposite) I could point to with the minor index
>of my device?
No.
You want to split your minor number into separate unit and instance parts,
and allow each instance to be only opened once (return EBUSY). A quick fix
is to continue selecting the softc structure exclusively based on unit
number and to hang the necessary per instance data off that.
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