From 7807f565ec42a64e9b8037d8b238a8d0a47893d8 Mon Sep 17 00:00:00 2001
From: Manos Pitsidianakis <el13635@mail.ntua.gr>
Date: Thu, 27 Feb 2020 16:40:03 +0200
Subject: [PATCH] Clear input thread channel on restore()

The channel may contain Kill commands that will cause the new thread to
exit immediately.
---
 src/state.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/state.rs b/src/state.rs
index 18de921dc..6bc04dfdd 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -52,6 +52,10 @@ struct InputHandler {
 
 impl InputHandler {
     fn restore(&self, tx: Sender<ThreadEvent>) {
+        /* Clear channel without blocking. switch_to_main_screen() issues a kill when
+         * returning from a fork and there's no input thread, so the newly created thread will
+         * receive it and die. */
+        let _ = self.rx.try_iter().count();
         let rx = self.rx.clone();
         thread::Builder::new()
             .name("input-thread".to_string())