From c0f7dc5ef651513cb8a5184f84d3f9a562e142f0 Mon Sep 17 00:00:00 2001
From: BDisp <bd.bdisp@gmail.com>
Date: Wed, 11 Mar 2020 03:17:02 +0000
Subject: [PATCH] Failure behavior solved. It was a threading safe issue.
 Driver.Wakeup () moved to the Post method on MainLoopSyncContext class solved
 it.

---
 Terminal.Gui/Core.cs                | 1 +
 Terminal.Gui/MonoCurses/mainloop.cs | 5 ++---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Terminal.Gui/Core.cs b/Terminal.Gui/Core.cs
index 778c55635..e5d713281 100644
--- a/Terminal.Gui/Core.cs
+++ b/Terminal.Gui/Core.cs
@@ -1726,6 +1726,7 @@ namespace Terminal.Gui {
 			{
 				mainLoop.AddIdle (() => {
 					d (state);
+					mainLoop.Driver.Wakeup ();
 					return false;
 				});
 			}
diff --git a/Terminal.Gui/MonoCurses/mainloop.cs b/Terminal.Gui/MonoCurses/mainloop.cs
index 280c4dfee..f2927f8e0 100644
--- a/Terminal.Gui/MonoCurses/mainloop.cs
+++ b/Terminal.Gui/MonoCurses/mainloop.cs
@@ -354,10 +354,9 @@ namespace Mono.Terminal {
 		/// </summary>
 		public Func<bool> AddIdle (Func<bool> idleHandler)
 		{
-			lock (idleHandlers) {
+			lock (idleHandlers)
 				idleHandlers.Add (idleHandler);
-				driver.Wakeup ();
-			}
+
 			return idleHandler;
 		}