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sigaction.2: Add a subheading for the description of 'si_code'
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -527,9 +527,17 @@ fills in
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.IR si_errno ,
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.IR si_errno ,
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and other fields as described in
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and other fields as described in
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.BR seccomp (2).
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.BR seccomp (2).
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.PP
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.\"
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.SS
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The si_code field
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The
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.I si_code
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.I si_code
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is a value (not a bit mask) indicating why this signal was sent.
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field inside the
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.I siginfo_t
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argument that is passed to a
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.B SA_SIGINFO
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signal handler is a value (not a bit mask)
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indicating why this signal was sent.
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For a
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For a
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.BR ptrace (2)
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.BR ptrace (2)
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event,
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event,
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