Re: Checking if a file exists from the kernel
Re: Checking if a file exists from the kernel
- Subject: Re: Checking if a file exists from the kernel
- From: "mm w" <email@hidden>
- Date: Wed, 5 Dec 2007 12:04:55 -0800
nm -pg /mach_kernel | grep VNOP
Cheers!
-mmw
On Dec 5, 2007 10:41 AM, David Rose <email@hidden> wrote:
>
> Hi,
>
> I would like to know if it is possible to check if a file exists from a kernel
> extension. The reason I am interested in doing this is because I am
> creating a device in the /dev directory. Under Tiger this works fine, but in
> Leopard my device name is truncated at the / using the
> devfs_make_node function.
>
> Calling devfs_make_node with the path "direct/file" results in the
> node "/dev/direc/file" being created on Leopard and "/dev/direct/file"
> on Tiger. I would then like to check for the existence of /dev/direct so
> that I know If I have to code for a work around in my driver.
>
> The open or stat call does not seem to be available to my kernel extension.
>
> Thanks,
>
> David Rose
>
>
>
>
>
>
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