Don't call WSAEventSelect() on -1

If g_io_win32_sock_close() has been called on a socket channel, don't
later in g_io_win32_free() call WSAEventSelect() on its fd which has
been set to -1.

diff --git a/glib/giowin32.c b/glib/giowin32.c
index d638544..d661865 100644 (file)
--- a/glib/giowin32.c
+++ b/glib/giowin32.c
@@ -1137,7 +1137,8 @@ g_io_win32_free (GIOChannel *channel)
          g_free (emsg);
        }
 
-  if (win32_channel->type == G_IO_WIN32_SOCKET)
+  if (win32_channel->type == G_IO_WIN32_SOCKET &&
+      win32_channel->fd != -1)
     if (WSAEventSelect (win32_channel->fd, NULL, 0) == SOCKET_ERROR)
       if (win32_channel->debug)
        {