From e6bafbe601734e182af06fe52a85b09c3be4f433 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sun, 24 Sep 2017 09:27:32 +0200
Subject: [PATCH] getrandom.2: ERRORS: add ENOSYS

See https://bugzilla.kernel.org/show_bug.cgi?id=196883

Reported-by: Fabio Scotoni <fabio@esse.ch>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/getrandom.2 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/man2/getrandom.2 b/man2/getrandom.2
index 07d80ac15..da49e5d87 100644
--- a/man2/getrandom.2
+++ b/man2/getrandom.2
@@ -164,6 +164,11 @@ man page.
 .B EINVAL
 An invalid flag was specified in
 .IR flags .
+.TP
+.B ENOSYS
+The glibc wrapper function for
+.BR getrandom ()
+determined that the underlying kernel does not implement this system call.
 .SH VERSIONS
 .BR getrandom ()
 was introduced in version 3.17 of the Linux kernel.