Network/SocketPoller: Wait() now returns the number of active sockets, and optionally the last error

It will also ignore the EINTR error on Linux

src/Nazara/Network/Linux/SocketPollerImpl.cpp

@@ -81,7 +81,7 @@ namespace Nz
 			NazaraWarning("An error occured while removing socket from epoll structure (errno " + String::Number(errno) + ": " + Error::GetLastSystemError() + ')');
 	}
 
-	int SocketPollerImpl::Wait(int msTimeout, SocketError* error)
+	unsigned int SocketPollerImpl::Wait(int msTimeout, SocketError* error)
 	{
 		int activeSockets;
 
@@ -93,7 +93,7 @@ namespace Nz
 		if (activeSockets == -1)
 		{
 			if (error)
-				*error = SocketImpl::TranslateErrnoToResolveError(errno);
+				*error = SocketImpl::TranslateErrnoToSocketError(errno);
 
 			return 0;
 		}

src/Nazara/Network/Linux/SocketPollerImpl.hpp

@@ -30,7 +30,7 @@ namespace Nz
 			bool RegisterSocket(SocketHandle socket, SocketPollEventFlags eventFlags);
 			void UnregisterSocket(SocketHandle socket);
 
-			int Wait(int msTimeout, SocketError* error);
+			unsigned int Wait(int msTimeout, SocketError* error);
 
 		private:
 			std::unordered_set<SocketHandle> m_readyToReadSockets;