Re: How to read file in kernel module?

[shyamjith <shyamjithe@xxxxxxxxxxxxxxx>]

When u register a device with the kernel for example, a character device
U attach the device structure into the device table . which is filled with
pointers to our read and write functions .while registering a proc entry  
also we can fill such functional pointers .

up  up and away

shyam




On Wed, 02 Feb 2005 14:36:54 +0530, Amith <amith@xxxxxxxxxxxxxxx> wrote:

> Shyamjith wrote:
>
> > > There is *NO* Copyto_User. There are copy_to_user and copy_from_user.
> > >
> > > > > And anway, these are NOT a method of communication -- they are the
> > > > low-level mechanizm under some of them. The mechanizms available are:
> > > > 1) Character device
> > 2>>) ioctl on character device
> >
> > > > 3) procfs file
> > > > 4) Netlink socket
> >
> >
> > See i think we are talking about kernel programming . What i mean to  
> > say is
> > that there is only two ways to  communiacte to user space . One through  
> > a
> > registerd read or write functions
> Shyamjith ,
> what did you mean by a registered read/write function ?  i couldnt  
> understand , please clarify /
>
> cheers,
> Amith



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