server: Set the event in IOCTL_AFD_EVENT_SELECT if the socket becomes signaled.

dlls/ws2_32/tests/sock.c

@@ -5159,9 +5159,8 @@ static void test_accept_events(struct event_test_ctx *ctx)
 
         select_events(ctx, listener, FD_CONNECT | FD_READ | FD_OOB | FD_ACCEPT);
         ret = WaitForSingleObject(ctx->event, 0);
-        todo_wine ok(!ret, "wait timed out\n");
-        if (!ret)
-            check_events(ctx, FD_ACCEPT, 0, 0);
+        ok(!ret, "wait timed out\n");
+        check_events(ctx, FD_ACCEPT, 0, 0);
 
         server = accept(listener, NULL, NULL);
         ok(server != -1, "failed to accept, error %u\n", WSAGetLastError());

server/sock.c

@@ -2543,6 +2543,11 @@ static void sock_ioctl( struct fd *fd, ioctl_code_t code, struct async *async )
         sock->nonblocking = 1;
 
         sock_reselect( sock );
+        /* Explicitly wake the socket up if the mask causes it to become
+         * signaled. Note that reselecting isn't enough, since we might already
+         * have had events recorded in sock->reported_events and we don't want
+         * to select for them again. */
+        sock_wake_up( sock );
 
         return;
     }