Give a good error message when waitpid raises

janestreet / magic-trace

magic-trace collects and displays high-resolution traces of what a process is doing

https://magic-trace.org

MIT License

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Give a good error message when waitpid raises #211

Closed cgaebel closed 2 years ago

cgaebel commented 2 years ago

This behavior is best demonstrated by the report in #210, where perf crashed and that made magic-trace crash. Let's nudge people that perf may have crashed, instead.

Fixes #210