Re: [Valgrind-users] More libusb stuff

[Jeremy F. <je...@go...>]

On Tue, 2003-09-16 at 23:37, Tyler Nielsen wrote:
> OK.  I found the file README_MISSING_SYSCALL_OR_IOCTL.  This answers
> most of my questions.  So I traced through the defines, and the
> USB_BULK_READ is a define to some:
> 
> _IOWR(...)
> 
> This seems to be my problem, is that right?
> 
> If I went in and changed them to be _IOW or _IOR, then the default ioctl
> would work correctly.

But that would change the ioctl number, and break binary compatibility,
no?  The better solution is to either add client calls into libusb
(VALGRIND_MAKE_READABLE, etc), or add code to Valgrind itself to
understand these calls.

	J