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signalfd.2: SIGKILL and SIGSTOP are silently ignored in 'mask' 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-03-15 08:30:12 +01:00
parent e3beca8848
commit 07a5f3db57
1 changed files with 8 additions and 0 deletions
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8
man2/signalfd.2
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@ -335,6 +335,14 @@ If a signal appears in the
of more than one of the file descriptors, then occurrences
of that signal can be read (once) from any one of the file descriptors.
Attempts to include
.B SIGKILL
and
.B SIGSTOP
in
.I mask
are silently ignored.
The signal mask employed by a signalfd file descriptor can be viewed
via the entry for the corresponding file descriptor in the process's
.IR /proc/[pid]/fdinfo