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SubjectRe: User Space Emulation of Devices
On Thursday 13 September 2001 10:25, Phil Thompson wrote:
> The best approach I found (for my purposes anyway) was the one used by the
> ALSA OSS emulator (and strace as well?) that uses weak & strong symbols in
> a pre-loaded shared library to intercept system calls to the device I
> wanted to handle in user space.
> I'd be surprised if this technique was suitable as a generic approach.

Unfortunately not for writing device drivers in user space because the
library inherits the user id from the application - you have to be root to
access hardware.


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