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diff -Naurp xfractint-20.04p07/unix/unixscr.c xfractint-20.04p07-fixed/unix/unixscr.c
--- xfractint-20.04p07/unix/unixscr.c 2005-11-22 23:51:24.000000000 +0100
+++ xfractint-20.04p07-fixed/unix/unixscr.c 2007-12-28 13:40:50.000000000 +0100
@@ -137,6 +137,7 @@ static int doredraw = 0; /* 1 if we have
static Window FindRootWindow(void);
static Window pr_dwmroot(Display *dpy, Window pwin);
static int errhand(Display *dp, XErrorEvent *xe);
+static int ioerrhand(Display *dp);
static int getachar(void);
static int handleesc(void);
static int translatekey(int ch);
@@ -345,6 +346,30 @@ XErrorEvent *xe;
return(0);
}
+/*
+ *----------------------------------------------------------------------
+ *
+ * ioerrhand --
+ *
+ * Called on an X IO server error.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Prints the error message.
+ *
+ *----------------------------------------------------------------------
+ */
+static int ioerrhand(dp)
+Display *dp;
+{
+ UnixDone();
+ fflush(stdout);
+ printf("Fatal X IO error on display %s\n", DisplayString(dp));
+ return(0);
+}
+
#ifdef FPUERR
/*
*----------------------------------------------------------------------
@@ -552,6 +577,7 @@ initUnixWindow()
XSynchronize(Xdp, True);
}
XSetErrorHandler(errhand);
+ XSetIOErrorHandler(ioerrhand);
Xsc = ScreenOfDisplay(Xdp, Xdscreen);
select_visual();
if (fixcolors > 0) {
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