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Trapping signals does not work in Truffle #3570

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tinco opened this issue Dec 28, 2015 · 1 comment
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Trapping signals does not work in Truffle #3570

tinco opened this issue Dec 28, 2015 · 1 comment
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@chrisseaton
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@tinco
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tinco commented Dec 28, 2015

The following code gives an exception:

ruby -e 'trap("QUIT") { puts "quitting" }'

-e:1:in `watch_signal': Signal already used by VM or OS: SIGQUIT (ArgumentError)
    from -e:1:in `trap'
    from -e:1:in `trap'
    from -e:1:in `<main>'

The expected result is that it simply exits immediately without output.

This behaviour exists in the nightly (as of 12/28/2015)
@tinco
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tinco commented Dec 28, 2015

I just discovered JRuby has this issue also. Apparently this is a JVM problem and probably it can't be solved. I noticed in Passenger SIGQUIT is explicitly removed from Signal.list for JRuby. This issue can probably be closed.

@chrisseaton chrisseaton added this to the truffle-dev milestone Jan 1, 2016
@chrisseaton chrisseaton self-assigned this Jan 1, 2016
@enebo enebo added this to the Non-Release milestone Dec 7, 2017
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