mirror of https://github.com/mkerrisk/man-pages
poll.2: Document semantics of passing zero in 'events' field
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -87,7 +87,14 @@ field.)
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The field
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.I events
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is an input parameter, a bit mask specifying the events the application
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is interested in.
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is interested in for the file descriptor
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.IR fd .
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If this field is specified as zero,
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then all events are ignored for
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.IR fd
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and
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.I revents
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returns zero.
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The field
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.I revents
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