[rtl] Callbacks in RTL?

[Mark Huang <markman@mit.edu>]

Hi,

I'm a new user, so please bear with me. Is it possible for an RTL
process to call a function defined in user space? Ideally, by passing
a user callback function to the RT process for it to execute?

>From reading the documentation and browsing the list archives, I'm
pretty convinced that the answer is no, but I thought I'd ask to make
certain. I tried passing pointers to user-space functions to my RT
process through both RT-FIFOs and shared memory; neither worked. I'm
supposing it's because the RT process is just calling garbage memory
out of context--is there a way to effectively define a function
in shared memory?

Thanks in advance,

--Mark
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Mark Huang : markman@mit.edu
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