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sigaction.2: Minor fix: s/null/NULL/ 

Signed-off-by: Michael Kerrisk <mtk@konstanz.(none)>
This commit is contained in:
Michael Kerrisk 2010-08-29 09:03:11 +02:00
parent 825e3c0f07
commit 460b3d610f
1 changed files with 2 additions and 2 deletions
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man2/sigaction.2
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@ -733,10 +733,10 @@ allowed the receipt of any signal, not just the one we are installing
settings).
.PP
.BR sigaction ()
can be called with a null second argument to query the current signal
can be called with a NULL second argument to query the current signal
handler.
It can also be used to check whether a given signal is valid for
the current machine by calling it with null second and third arguments.
the current machine by calling it with NULL second and third arguments.
.PP
It is not possible to block
.BR SIGKILL " or " SIGSTOP