add from giga-device, new branch added

StgSharp.Native/sn-head/sn_internal.h

@@ -0,0 +1,32 @@
+#ifdef _MSC_VER
+#pragma once
+#endif
+
+#include <xmmintrin.h>
+
+#ifndef SN_INTERNAL
+#define SN_INTERNAL
+
+#ifdef _MSC_VER
+#define _CRT_SECURE_NO_WARNINGS 1
+#define WIN32_LEAN_AND_MEAN
+#define SN_DECL __cdecl
+#define SN_API __declspec(dllexport)
+#define FORCEINLINE __forceinline
+#include <windows.h>
+#elif defined(__clang__) || defined(__GNUC__)
+#define SN_DECL __attribute__((cdecl))
+#define SN_API __attribute__((dllexport))
+#define FORCEINLINE __attribute__((always_inline))
+#else
+#define SN_API
+#define SN_DECL
+#define FORCEINLINE
+#endif
+
+#define SN_APIDEF
+
+#define PRIVATE static
+#define INTERNAL extern
+
+#endif //