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dup.2: Add reference to RLIMIT_NOFILE for EMFILE error
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -196,7 +196,10 @@ was equal to
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.TP
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.B EMFILE
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The process already has the maximum number of file
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descriptors open and tried to open a new one.
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descriptors open and tried to open a new one (see the discussion of
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.BR RLIMIT_NOFILE
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in
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.BR getrlimit (2)).
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.SH VERSIONS
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.BR dup3 ()
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was added to Linux in version 2.6.27;
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