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                                            Anders Hovmöller

Segfault on macOS when `setproctitle()` is called after `os.fork()` in worker processes

I don't have this problem on macOS personally, so one has to wonder if there's some additional issue at play. The reason mutmut3 uses fork instead of spawn is due...

Segfault on macOS when `setproctitle()` is called after `os.fork()` in worker processes

Process pools have the issue of worker processes potentially getting polluted by some side effect of a mutant and then never recovering. Fork guarantees that doesn't happen.

Segfault on macOS when `setproctitle()` is called after `os.fork()` in worker processes

Mutmut was developed on macOS fully, so yea, this didn't happen to me.

Mutation results not preserved in browser after retesting mutant/function/module

Could you try update to 3.3.1 and try this again?