Detect breaking of input pipe from engines (GTK)

[xboard.git] / gtk / xboard.c

diff --git a/gtk/xboard.c b/gtk/xboard.c
index 4a2731a..b9bfd32 100644 (file)
--- a/gtk/xboard.c
+++ b/gtk/xboard.c
@@ -256,7 +256,6 @@ GtkAccelGroup *GtkAccelerators;
 typedef unsigned int BoardSize;
 BoardSize boardSize;
 Boolean chessProgram;
-int initialSquareSize;
 
 int  minX, minY; // [HGM] placement: volatile limits on upper-left corner
 int smallLayout = 0, tinyLayout = 0,
@@ -2293,7 +2292,7 @@ InputSourceRef AddInputSource(pr, lineByLine, func, closure)
 
     channel = g_io_channel_unix_new(is->fd);
     g_io_channel_set_close_on_unref (channel, TRUE);
-    is->sid = g_io_add_watch(channel, G_IO_IN,(GIOFunc) DoInputCallback, is);
+    is->sid = g_io_add_watch(channel, G_IO_IN|G_IO_HUP,(GIOFunc) DoInputCallback, is);
 
     is->closure = closure;
     return (InputSourceRef) is;