Re: [Libusb-devel] Patch: libusb/os/linux_usbfs.c: Distingush between usbfs and other kernel mode drivers

[Xiaofan C. <xia...@gm...>]

On Wed, Oct 6, 2010 at 7:06 PM, Uwe Bonnes
<bo...@el...> wrote:
>>>>>> "Xiaofan" == Xiaofan Chen <xia...@gm...> writes:
>
>
>    Xiaofan> Typo. I expect libusb_kernel_driver_active to return 0 if only
>    Xiaofan> "usbfs" is bound to the interface.
>
>    Xiaofan>     0 if no kernel driver is active 1 if a kernel driver is
>    Xiaofan> active LIBUSB_ERROR_NO_DEVICE if the device has been
>    Xiaofan> disconnected another LIBUSB_ERROR code on other failure
>
> But then you loose the ability to distinguish if no other code is accessing
> the device or if another application is accessing the device via usbfs

No, that is the job of libusb_claim_interface.


-- 
Xiaofan