[PATCH] prctl.2: PR_{SET,GET}_CHILD_SUBREAPER

[Shawn Landden <shawnlandden-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Signed-off-by: Shawn Landden <shawnlandden-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 man2/prctl.2 |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/man2/prctl.2 b/man2/prctl.2
index e4a1030..fd78f48 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -379,6 +379,23 @@ if the kernel is configured with
 .B CONFIG_SECCOMP
 enabled.
 .TP
+.BR PR_SET_CHILD_SUBREAPER " (since Linux 3.3)"
+Designates this process as a service manager for its' (immediate and
+indirect) offspring processes. Any process whose immediate parent
+dies and whose ancestry includes a process where this flag is set will
+be reparented to the closest process with this flag set, instead of PID
+1. A 'subreaper' hence receives
+.B SIGHCLD
+signals for any orphaned
+offspring processes, that otherwise would be received by
+.BR init (8).
+.TP
+.BR PR_GET_CHILD_SUBREAPER " (since Linux 3.3)"
+Returns whether calling process is a child subreaper (see
+.BR PR_SET_CHILD_SUBREAPER ),
+in the location pointed to by
+.IR "(int\ *) arg2" .
+.TP
 .BR PR_SET_SECUREBITS " (since Linux 2.6.26)"
 Set the "securebits" flags of the calling thread to the value supplied in
 .IR arg2 .
-- 
1.7.9.5

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