Add prioritizedworkqueue, thread stuff, ui tweaks, small optimizations in file util

thread/threadutil.cpp

@@ -0,0 +1,35 @@
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#include "thread/threadutil.h"
+
+void setCurrentThreadName(const char* szThreadName)
+{
+#ifdef _WIN32
+	static const DWORD MS_VC_EXCEPTION = 0x406D1388;
+
+#pragma pack(push,8)
+	struct THREADNAME_INFO
+	{
+		DWORD dwType; // must be 0x1000
+		LPCSTR szName; // pointer to name (in user addr space)
+		DWORD dwThreadID; // thread ID (-1=caller thread)
+		DWORD dwFlags; // reserved for future use, must be zero
+	} info;
+#pragma pack(pop)
+
+	info.dwType = 0x1000;
+	info.szName = szThreadName;
+	info.dwThreadID = -1; //dwThreadID;
+	info.dwFlags = 0;
+
+	__try
+	{
+		RaiseException(MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info);
+	}
+	__except(EXCEPTION_CONTINUE_EXECUTION)
+	{}
+#else
+	// Do nothing
+#endif
+}