+ * Set up, or shut down, an AsyncSelect. Called from winnet.c.
+ */
+char *do_select(SOCKET skt, int startup) {
+ int msg, events;
+ if (startup) {
+ msg = WM_NETEVENT;
+ events = FD_READ | FD_WRITE | FD_OOB | FD_CLOSE;
+ } else {
+ msg = events = 0;
+ }
+ if (!hwnd)
+ return "do_select(): internal error (hwnd==NULL)";
+ if (WSAAsyncSelect (skt, hwnd, msg, events) == SOCKET_ERROR) {
+ switch (WSAGetLastError()) {
+ case WSAENETDOWN: return "Network is down";
+ default: return "WSAAsyncSelect(): unknown error";
+ }
+ }
+ return NULL;
+}
+
+/*