Set errno to EINPROGRESS on Windows when the connect() call does not complete immedia...

This makes code that checks errno to determine whether connect() has succeeded or not work properly on Windows
Fixes #298 reported by @butaman

diff --git a/src/socketengine.cpp b/src/socketengine.cpp
index 72075dd499e7f1567140dcb6daeacfcff03abca0..ccaa71aed59dcfe92bef20d20d132c9fc45fa417 100644 (file)
--- a/src/socketengine.cpp
+++ b/src/socketengine.cpp
@@ -208,7 +208,12 @@ int SocketEngine::SendTo(EventHandler* fd, const void *buf, size_t len, int flag
 
 int SocketEngine::Connect(EventHandler* fd, const sockaddr *serv_addr, socklen_t addrlen)
 {
-       return connect(fd->GetFd(), serv_addr, addrlen);
+       int ret = connect(fd->GetFd(), serv_addr, addrlen);
+#ifdef WINDOWS
+       if ((ret == SOCKET_ERROR) && (WSAGetLastError() == WSAEWOULDBLOCK))
+               errno = EINPROGRESS;
+#endif
+       return ret;
 }
 
 int SocketEngine::Shutdown(EventHandler* fd, int how)