From 67acb181649e135df7c731f5d5280fa7a86b6fe2 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Tue, 12 Jul 2011 23:32:10 +0000
Subject: :)

---
 ev.pod | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ev.pod b/ev.pod
index 8d36185..2c71d39 100644
--- a/ev.pod
+++ b/ev.pod
@@ -4378,7 +4378,9 @@ both for signal handler "locking" as well as for signal and thread safety
 in C<ev_async> watchers.
 
 In the absence of this define, libev will use C<sig_atomic_t volatile>
-(from F<signal.h>), which is usually good enough on most platforms.
+(from F<signal.h>), which is usually good enough on most platforms,
+although strictly speaking using a type that also implies a memory fence
+is required.
 
 =item EV_H (h)
 
-- 
cgit v1.2.3