create an isolated child process to run unsafe code and CFFI #53
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What this PR does / why we need it:
We are using unsafe pointers to execute arbitrary CPython FFI. Because this is so unsafe we occasionally encounter fatal errors that shut down the entire program. This change isolates the unsafe code and FFI call in a separate process that can handle the fatal errors as a panic in the parent.
Which issue(s) this PR fixes:
Wrap unsafe code in isolated child process in case of a fatal error.
Return the output or error via channels