X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=gui.c;h=e85edba929780c440aa36915347bbb7fbca74911;hp=a2d4b5f6c7611914b566128f509bea80caf6fe76;hb=0bc88a7bbfacdce3caa5dd26dabe046ab20b2f6d;hpb=be46d3b63c855fe63ecc6feb7c4a2d3edab92307

diff --git a/gui.c b/gui.c
index a2d4b5f6..e85edba9 100644
--- a/gui.c
+++ b/gui.c
@@ -498,9 +498,18 @@ static __printf_2_3 void curses_log(int ll, const char *fmt,...)
 /** The log function of para_gui, always set to curses_log(). */
 __printf_2_3 void (*para_log)(int, const char*, ...) = curses_log;
 
+/* Call endwin() to reset the terminal into non-visual mode. */
 static void shutdown_curses(void)
 {
-	def_prog_mode();
+	/*
+	 * If para_gui received a terminating signal in external mode, the
+	 * terminal can be in an unusable state at this point because the child
+	 * process might not have caught the signal. In this case endwin() has
+	 * already been called and must not be called again. So we first return
+	 * to program mode, then call endwin().
+	 */
+	if (!curses_active())
+		reset_prog_mode();
 	endwin();
 }