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sigpending.2: explain how thread's pending signal set is defined 

The pending set is the union of per-thread pending signals and process-wide
pending signals.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2008-10-04 06:34:38 +02:00
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@ -62,6 +62,11 @@ POSIX.1-2001.
See
.BR sigsetops (3)
for details on manipulating signal sets.
The set of signals that is pending for a thread
is the union of the set of signals that is pending for that thread
and the set of threads that is peding for the process as a whole; see
.BR signal (7).
.SH BUGS
In versions of glibc up to and including 2.2.1,
there is a bug in the wrapper function for