splice.2: Since Linux 2.6.31,'fd_in' and 'fd_out' may both refer to pipes

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/splice.2 b/man2/splice.2
index 7cc293003764ffb3f140c4177096bc9a2992ec61..f18476c774ff3d5606d695165643ae74e119369a 100644 (file)
--- a/man2/splice.2
+++ b/man2/splice.2
@@ -249,6 +249,16 @@ only pointers are copied, not the pages of the buffer.
 .\" the data and choose to forward it to two or more different
 .\" users - for things like logging etc.).
 .\"
+.PP
+In Linux 2.6.30 and earlier,
+exactly one of
+.I fd_in
+and
+.I fd_out
+was required to be a pipe.
+Since Linux 2.6.31,
+.\" commit 7c77f0b3f9208c339a4b40737bb2cb0f0319bb8d
+both arguments may refer to pipes.
 .SH EXAMPLE
 See
 .BR tee (2).