From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Thu, 22 Jan 2015 18:30:10 +0000 (+0100)
Subject: getrandom.2: Mention bug concerning treatment of interrupts
X-Git-Tag: man-pages-3.79~43
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=16199698a6601fea7bbbd4f5e47ff8432084570c;p=thirdparty%2Fman-pages.git

getrandom.2: Mention bug concerning treatment of interrupts

Theodore Ts'o confirmed the bug described in
https://lkml.org/lkml/2014/11/29/16

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---

diff --git a/man2/getrandom.2 b/man2/getrandom.2
index 59ebbe00d4..d01502e395 100644
--- a/man2/getrandom.2
+++ b/man2/getrandom.2
@@ -23,7 +23,7 @@
 .\" the source, must acknowledge the copyright and authors of this work.
 .\" %%%LICENSE_END
 
-.TH GETRANDOM 2 2014-10-03 "Linux" "Linux Programmer's Manual"
+.TH GETRANDOM 2 2015-01-22 "Linux" "Linux Programmer's Manual"
 .SH NAME
 getrandom \- obtain a series of random bytes
 .SH SYNOPSIS
@@ -257,6 +257,13 @@ failure:
 }
 .fi
 .in
+.SH BUGS
+As of Linux 3.19, the following bug exists:
+.PP
+.\" FIXME patch proposed https://lkml.org/lkml/2014/11/29/16
+Depending on CPU load
+.BR getrandom ()
+does not react to interrupts before reading all bytes requested.
 .SH SEE ALSO
 .BR random (4),
 .BR urandom (4)