Hi
I've been working on an STI implementation for wine, and recently I made some progress.
At present I've got a basic STI.DLL and I've made a Linux kernel module replacement of USBSCAN.SYS on Windows. I've only changed CreateFile() and NtDeviceIoControl(). When CreateFile() gets a devicepath "\.\USBSCAN..." it opens the kernel module's device file using open(), and sends the file descriptor to the wine server using wine_server_fd_to_handle(). NtDeviceIoControl() checks the IOCTL code to see whether it is a scanner code, and if so, does an ioctl() call.
The problem seems to be that after running for a couple of seconds, all the file system calls like ioctl() start failing with EBADF (bad file descriptor). Is there something other than wine_server_fd_to_handle() I have to do? The scanning application I am testing uses multiple threads and several processes.
Thank you Damjan
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