In message <[EMAIL PROTECTED]>, David Rufino writes:
>Hi,
>
>I'm writing a character device driver in which each minor device can be
>opened more than once. When a device is opened is there a way to associate
>some private data for each opened instance ? Thanks.
It is not possible to do this. There is no reliable way to associate
a call into the device driver with a particular file descriptor, and
in particular the driver cannot find out what happens in if dup(2)
is used.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED] | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
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