SHM and Touchpad

Sparky Samnsparky at
Wed Jun 17 16:13:39 EDT 2009

On Jun 17, 2:09 pm, Philip Semanchuk <phi... at> wrote:
> On Jun 17, 2009, at 3:56 PM, Sparky wrote:
> > Hello! I am writing an application that requires access to the state
> > of a synaptics touch pad on a laptop running Ubuntu Linux (for the
> > number of fingers, pressure, x location, y location, etc). A different
> > program using C++ accesses the information through SHM and I was
> > hoping to do the same with Python. I looked in PyPi and I noticed that
> > there was a module for SHM but I can not figure out where to download
> > it from ( Does anyone have any
> > suggestions?
> Hi Sam,
> I'm not familiar with that shm, however there was (and still is) a old  
> Python IPC module called shm. It uses Sys V semaphores, not POSIX  
> semaphores like the shm in pypi.
> The old shm module has been replaced by two newer ones. For Sys V IPC:
> The old shm module is still around on but I'm not  
> updating it anymore (the author is AWOL and I'm just the maintainer)  
> and I don't recommend using it.
> Philip

Dear Philip,

Thank you for your quick response, I will take a look at the link you

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