Re: Is libusb dead?

Oliver Neukum <[email protected]>
Newsgroups gmane.linux.usb.devel
Message-ID <[email protected]>
Am Mittwoch, 18. April 2007 17:54 schrieb Mike Panetta:
> Just out of curiosity, why do we want to get rid of ioctl calls?  They 
> aren't all that bad, are they?  With an ioctl call its obvious you want 
> to write some structured data of some sort to a device to control it, 
> with read/write its not immediately obvious that you want to write 
> anything more then a string of bytes.  Maybe I am just being pedantic, 
> either way I am curious as to why the change is proposed.

For a number of reasons.
- we got burned on 32/64 issues
- no easy support for non blocking IO
- no easy support for AIO
Others will come up with more problems.

Now I don't think we can do fully without ioctl(), actions like resetting
a device map very well to it's semantics.

	Regards
		Oliver

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