What is the actual type of "interrupted system call"?

[mrstevegross]

I'm trying to write a try/catch block to handle an "interrupted system
call". However, I can't seem to locate information on the actual
typename of the exception. Does anyone know what it would be? I want
my code to look like this:

try:
  ...
except InterruptedSystemCall # what's the right name?
  ...


Thanks,
--Steve