From 6b5e7695be48451298b0959159d70dc05e1fd009 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Thu, 29 Jan 2015 09:12:48 +0100 Subject: [PATCH] getrandom.2: Reads from /dev/urandom can block for large request sizes Signed-off-by: Michael Kerrisk --- man2/getrandom.2 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/man2/getrandom.2 b/man2/getrandom.2 index f4e91274d..66042cb1c 100644 --- a/man2/getrandom.2 +++ b/man2/getrandom.2 @@ -199,7 +199,8 @@ When reading from .I /dev/urandom .RB ( GRND_RANDOM is not set), -blocking occurs only if the entropy pool has not been initialized yet. +blocking can occur if the entropy pool has not been initialized yet +or if the requested number of bytes is large. When reading from .I /dev/random .RB ( GRND_RANDOM