From 91a957a6c83b1fbc0f3cd373ba889f5a459ee660 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Fri, 29 Jul 2011 12:17:26 +0000
Subject: *** empty log message ***

---
 ev.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'ev.c')

diff --git a/ev.c b/ev.c
index 00797d2..3731cc3 100644
--- a/ev.c
+++ b/ev.c
@@ -499,7 +499,7 @@ struct signalfd_siginfo
     #if __x86
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
       #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
-      #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
+      #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */
     #elif __amd64
       #define ECB_MEMORY_FENCE         __asm__ __volatile__ ("mfence" : : : "memory")
       #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
@@ -513,7 +513,12 @@ struct signalfd_siginfo
     #define ECB_MEMORY_FENCE         __sync_synchronize ()
     #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
     #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release      (&dummy   ); })
-  #elif defined(_WIN32) && defined(MemoryBarrier)
+  #elif _MSC_VER >= 1400 && 0 /* TODO: only true when using volatiles */
+    #define ECB_MEMORY_FENCE         do { } while (0)
+    #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
+    #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
+  #elif defined(_WIN32)
+    #include <WinNT.h>
     #define ECB_MEMORY_FENCE         MemoryBarrier ()
     #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
     #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
-- 
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