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From 2bb74c0c114d8a2b259fa3ec1880e471df39ad9c Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Tue, 8 Sep 2015 12:37:08 +0200
Subject: [PATCH hurd] libshouldbeinlibc/maptime: use memory fences
* libshouldbeinlibc/maptime.h (maptime_read): Use memory fences.
---
libshouldbeinlibc/maptime.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libshouldbeinlibc/maptime.h b/libshouldbeinlibc/maptime.h
index 947ad64..04ce035 100644
--- a/libshouldbeinlibc/maptime.h
+++ b/libshouldbeinlibc/maptime.h
@@ -51,7 +51,9 @@ maptime_read (volatile struct mapped_time_value *mtime, struct timeval *tv)
do
{
tv->tv_sec = mtime->seconds;
+ __sync_synchronize ();
tv->tv_usec = mtime->microseconds;
+ __sync_synchronize ();
}
while (tv->tv_sec != mtime->check_seconds);
}
--
2.1.4
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