From 98502444b0c5881797e4833ee1fc79388b94ba82 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sat, 7 Mar 2020 11:35:43 +0100
Subject: video/ps3eye: use portable barrier

---
 video-ps3eye/wrapper.cxx | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/video-ps3eye/wrapper.cxx b/video-ps3eye/wrapper.cxx
index 4a2c2000..291f3e8f 100644
--- a/video-ps3eye/wrapper.cxx
+++ b/video-ps3eye/wrapper.cxx
@@ -4,6 +4,7 @@
 #include "ps3eye-driver/ps3eye.hpp"
 
 #include <cstdlib>
+#include <atomic>
 
 #ifdef __clang__
 #   pragma clang diagnostic ignored "-Watomic-implicit-seq-cst"
@@ -15,13 +16,6 @@
 #   pragma GCC diagnostic ignored "-Wformat-nonliteral"
 #endif
 
-#ifdef _MSC_VER
-#   include <windows.h>
-#   define FULL_BARRIER [](){ _ReadWriteBarrier(); MemoryBarrier(); }
-#else
-#   define FULL_BARRIER __sync_synchronize
-#endif
-
 template<int N, typename... xs>
 [[noreturn]]
 static void error(volatile ps3eye::shm_out& out, const char (&error)[N], const xs&... args)
@@ -88,7 +82,7 @@ int main(int argc, char** argv)
 
     out.timecode = 0;
     in.do_exit = false;
-    FULL_BARRIER();
+    std::atomic_thread_fence(std::memory_order_seq_cst);
 
     for (;;)
     {
@@ -117,7 +111,7 @@ int main(int argc, char** argv)
         if (in.do_exit)
             break;
 
-        FULL_BARRIER();
+        std::atomic_thread_fence(std::memory_order_seq_cst);
     }
 
     return 0;
-- 
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