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-rw-r--r--man2/pivot_root.29
1 files changed, 9 insertions, 0 deletions
diff --git a/man2/pivot_root.2 b/man2/pivot_root.2
index a882bb2a1e..e1a5b927f4 100644
--- a/man2/pivot_root.2
+++ b/man2/pivot_root.2
@@ -100,6 +100,10 @@ on top of itself.)
The propagation type of
.I new_root
and its parent mount must not be
+.BR MS_SHARED ;
+similarly, if
+.I put_old
+is an existing mount point, its propagation type must not be
.BR MS_SHARED .
.SH RETURN VALUE
On success, zero is returned.
@@ -132,6 +136,11 @@ or the parent mount of that mount point,
has propagation type
.BR MS_SHARED .
.TP
+.B EINVAL
+.I put_old
+is a mount point and has the propagation type
+.BR MS_SHARED .
+.TP
.B ENOTDIR
\fInew_root\fP or \fIput_old\fP is not a directory.
.TP