Switched away from boost::asio as it doesn't play well with libpq

pglablib/Win32Event.h

@@ -0,0 +1,47 @@
+#ifndef WIN32EVENT_H
+#define WIN32EVENT_H
+
+#include <WinSock2.h>
+
+#include <windows.h>
+/** Simpel wrapper around a Win32 Event object.
+
+Mostly to make cleanup automatic.*/
+class Win32Event {
+public:
+	enum class Reset { Auto=0, Manual=1 };
+	enum class Initial { Clear=0, Set=1 };
+
+	Win32Event(Reset r, Initial is)
+		: hEvent(CreateEvent(
+			nullptr,  // _In_opt_ LPSECURITY_ATTRIBUTES lpEventAttributes,
+			BOOL(r),  // _In_     BOOL                  bManualReset,
+			BOOL(is), // _In_     BOOL                  bInitialState,
+			nullptr   //_In_opt_ LPCTSTR               lpName
+			))
+	{}
+
+	Win32Event(Reset r, Initial is, int sock, long net_events)
+		: Win32Event(r, is)
+	{
+		WSAEventSelect(sock, hEvent, net_events);
+	}
+
+	~Win32Event()
+	{
+		CloseHandle(hEvent);
+	}
+
+	Win32Event(const Win32Event &) = delete;
+	Win32Event &operator=(const Win32Event &) = delete;
+
+	void set() { SetEvent(hEvent); }
+
+	void reset() { ResetEvent(hEvent); }
+
+	HANDLE handle() { return hEvent; }
+private:
+	HANDLE hEvent;
+};
+
+#endif // WIN32EVENT_H