From b5e142307b5698f666796e3628d1a97ad48d3f81 Mon Sep 17 00:00:00 2001
From: Jan Pochyla <jpochyla@gmail.com>
Date: Wed, 21 Feb 2018 15:04:49 +0100
Subject: [PATCH] src/apps/common: store debug signals in cache

Prevents unloading through unimport.
---
 src/apps/common/cache.py         | 4 +++-
 src/apps/common/confirm.py       | 3 ++-
 src/apps/common/request_words.py | 3 ++-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/apps/common/cache.py b/src/apps/common/cache.py
index c11aa0dac..cdb184f4f 100644
--- a/src/apps/common/cache.py
+++ b/src/apps/common/cache.py
@@ -1,4 +1,6 @@
-_seed, _state = None, None
+memory = {}
+_seed = None
+_state = None
 
 
 def get_state():
diff --git a/src/apps/common/confirm.py b/src/apps/common/confirm.py
index 09cb01b89..deb7b1628 100644
--- a/src/apps/common/confirm.py
+++ b/src/apps/common/confirm.py
@@ -1,9 +1,10 @@
 from trezor import wire, ui, loop
+from apps.common import cache
 
 # used to confirm/cancel the dialogs from outside of this module (i.e.
 # through debug link)
 if __debug__:
-    signal = loop.signal()
+    signal = cache.memory.setdefault('confirm_signal', loop.signal())
 
 
 @ui.layout
diff --git a/src/apps/common/request_words.py b/src/apps/common/request_words.py
index 2d06049ec..59c1eba61 100644
--- a/src/apps/common/request_words.py
+++ b/src/apps/common/request_words.py
@@ -1,9 +1,10 @@
 from trezor import wire, ui, loop
+from apps.common import cache
 
 # used to confirm/cancel the dialogs from outside of this module (i.e.
 # through debug link)
 if __debug__:
-    signal = loop.signal()
+    signal = cache.memory.setdefault('request_words_signal', loop.signal())
 
 
 @ui.layout