commit 1dd45fb4f3371f0256653b2186c8b4b3d26b3f41
author Bram Moolenaar <Bram@vim.org> Wed Jan 31 21:10:01 2018 +0100
committer Bram Moolenaar <Bram@vim.org> Wed Jan 31 21:10:01 2018 +0100
tree 1a98ce1bfba438843ef01ee54267da7fdd37b47e
parent a338adcf222b6a24e26ea5ae6a2ad27f914acb38

patch 8.0.1450: GUI: endless loop when stopping cursor blinking

Problem:    Endless loop when gui_mch_stop_blink() is called while blink_state
            is BLINK_OFF. (zdohnal)
Solution:   Avoid calling gui_update_cursor() recursively.

src/gui.c

diff --git a/src/gui.c b/src/gui.c
index 45bf49a..671f559 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -1124,7 +1124,7 @@
 			     shape->blinkoff);
 	if (shape->blinkwait == 0 || shape->blinkon == 0
 						       || shape->blinkoff == 0)
-	    gui_mch_stop_blink();
+	    gui_mch_stop_blink(FALSE);
 #ifdef FEAT_TERMINAL
 	if (shape_bg != INVALCOLOR)
 	{
@@ -2982,7 +2982,7 @@
 	 * for showmatch() */
 	gui_mch_start_blink();
 	retval = gui_wait_for_chars_or_timer(wtime);
-	gui_mch_stop_blink();
+	gui_mch_stop_blink(TRUE);
 	return retval;
     }
 
@@ -3029,7 +3029,7 @@
 	retval = gui_wait_for_chars_or_timer(-1L);
     }
 
-    gui_mch_stop_blink();
+    gui_mch_stop_blink(TRUE);
     return retval;
 }