fix: nullptr(SEGEV) during shutdown

1 files changed, 14 insertions, 4 deletions

diff --git a/src/renderManager.cpp b/src/renderManager.cpp
index c103285..84896a1 100644
--- a/src/renderManager.cpp
+++ b/src/renderManager.cpp
@@ -3,8 +3,10 @@
 
 CRenderManager::CRenderManager()
 	: screen(ftxui::ScreenInteractive::TerminalOutput()) {
-	if (std::atexit([]() { g_pRenderManager->exitLoop(); }))
-		log(ERR, "Failed to register SessionManager atexit handler, will fallback to quick_exit after hang");
+	if (std::atexit([]() {
+		if (g_pRenderManager) g_pRenderManager->exitLoop();
+	}))
+		log(ERR, "Failed to register RenderManager atexit handler, will fallback to quick_exit after hang");
 	log(LOG, "RenderManager: initialized");
 };
 
@@ -14,8 +16,16 @@ CRenderManager::~CRenderManager() {
 }
 
 void CRenderManager::exitLoop() {
-	screen.ExitLoopClosure()();
-	screen.Exit();
+	if (renderer) {
+		try {
+			screen.ExitLoopClosure()();
+			screen.Exit();
+		} catch (const std::exception& e) {
+			log(WARN, "Exception in exitLoop: {}", e.what());
+		} catch (...) {
+			log(WARN, "Unknown exception in exitLoop");
+		}
+	}
 }
 
 void CRenderManager::enterLoop() {