[x265] [PATCH] winxp: fix build error on WinXP and VS2008

[Min Chen]

# HG changeset patch
# User Min Chen <chenm003 at 163.com>
# Date 1422597154 -28800
# Node ID 9f959e74723a69f1327c6a622c2ab265babc1f36
# Parent  5e5dc3763f6386da9722903033a2b9dd263a5226
winxp: fix build error on WinXP and VS2008
---
 source/common/threading.h |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff -r 5e5dc3763f63 -r 9f959e74723a source/common/threading.h
--- a/source/common/threading.h	Thu Jan 29 10:37:54 2015 -0600
+++ b/source/common/threading.h	Fri Jan 30 13:52:34 2015 +0800
@@ -60,6 +60,20 @@
 
 #include <intrin.h>
 
+#if _WIN32_WINNT <= _WIN32_WINNT_WINXP
+__forceinline
+LONG
+InterlockedAdd(
+    __inout LONG volatile *Addend,
+    __in LONG Value
+    )
+
+{
+    return InterlockedExchangeAdd(Addend, Value) + Value;
+}
+#endif
+
+
 #define CLZ(id, x)                          _BitScanReverse(&id, x)
 #define CTZ(id, x)                          _BitScanForward(&id, x)
 #define ATOMIC_INC(ptr)                     InterlockedIncrement((volatile LONG*)ptr)