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authorFlorian Weimer <fweimer@redhat.com>2018-12-14 21:11:09 +0100
committerFlorian Weimer <fweimer@redhat.com>2018-12-14 21:11:09 +0100
commite361dc043d0490dbcba88f5e16854e8e19f8231c (patch)
treeab45a511cca066be7ce447d80b58cf401424a1c5 /manual/signal.texi
parentbd51ff5ed0538c434d883cb8b90f8fba5f84236b (diff)
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manual: Document thread/task IDs for Linux
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'manual/signal.texi')
-rw-r--r--manual/signal.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/manual/signal.texi b/manual/signal.texi
index 9577ff091d..8b3a52e22a 100644
--- a/manual/signal.texi
+++ b/manual/signal.texi
@@ -2246,7 +2246,9 @@ signal:
 
 @table @code
 @item @var{pid} > 0
-The process whose identifier is @var{pid}.
+The process whose identifier is @var{pid}.  (On Linux, the signal is
+sent to the entire process even if @var{pid} is a thread ID distinct
+from the process ID.)
 
 @item @var{pid} == 0
 All processes in the same process group as the sender.