[add] first

Libraries/libil2cpp/include/icalls/System/System.Threading/Semaphore.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "il2cpp-object-internals.h"
+
+namespace il2cpp
+{
+namespace icalls
+{
+namespace System
+{
+namespace System
+{
+namespace Threading
+{
+    class LIBIL2CPP_CODEGEN_API Semaphore
+    {
+    public:
+        static bool ReleaseSemaphore_internal(intptr_t handle, int32_t releaseCount, int32_t* previousCount);
+        static intptr_t CreateSemaphore_icall(int32_t initialCount, int32_t maximumCount, Il2CppChar* name, int32_t name_length, int32_t* errorCode);
+        static intptr_t OpenSemaphore_icall(Il2CppChar* name, int32_t name_length, int32_t rights, int32_t* errorCode);
+    };
+} /* namespace Threading */
+} /* namespace System */
+} /* namespace System */
+} /* namespace icalls */
+} /* namespace il2cpp */