Add ReaderWriterQueue and update ConcurrentQueue

include/icsneo/third-party/concurrentqueue/tests/common/systemtime.h

@@ -0,0 +1,33 @@
+// ©2013-2014 Cameron Desrochers
+
+#pragma once
+
+#if defined(_WIN32)
+#define ST_WINDOWS
+#elif defined(__APPLE__) && defined(__MACH__)
+#define ST_APPLE
+#elif defined(__linux__) || defined(__FreeBSD__) || defined(BSD)
+#define ST_NIX
+#else
+#error "Unknown platform"
+#endif
+
+#if defined(ST_WINDOWS)
+namespace moodycamel { typedef unsigned long long SystemTime; }
+#elif defined(ST_APPLE)
+#include <cstdint>
+namespace moodycamel { typedef std::uint64_t SystemTime; }
+#elif defined(ST_NIX)
+#include <time.h>
+namespace moodycamel { typedef timespec SystemTime; }
+#endif
+
+namespace moodycamel
+{
+void sleep(int milliseconds);
+
+SystemTime getSystemTime();
+
+// Returns the delta time, in milliseconds
+double getTimeDelta(SystemTime start);
+}