[CMake] Get corefile from timed out tests with ctest?

[Leif Walsh]

When a test times out, I want to inspect its state to look for deadlocks. Is there a way to get ctest to save a corefile from a process it kills due to timing out? Is there a way to configure it to use a custom signal that I can catch in my tests?

I may have asked this before. I remember ctest uses uncatchable signals to kill tests in the event of a timeout. 

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