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Certain signals cannot be handled by SignalFD #591

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mihails-strasuns opened this issue Jul 27, 2018 · 0 comments
Open

Certain signals cannot be handled by SignalFD #591

mihails-strasuns opened this issue Jul 27, 2018 · 0 comments
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type-breaking type-enhancement

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@mihails-strasuns
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@gavin-norman-sociomantic :

It is not possible to receive SIGKILL or SIGSTOP signals via a signalfd file descriptor; these signals are silently ignored if specified in mask.

(http://man7.org/linux/man-pages/man2/signalfd.2.html)

I noticed that, although this limitation is mentioned in the documentation of SignalFD, there is no actual warning/error if the user attempts to do it anyway. Maybe we should consider asserting?
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