From c8507ec16a208d0d8eec0de966c8b7a3e4e63950 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Sun, 27 Nov 2022 00:59:09 +0300
Subject: [PATCH] Add time limit for applying of pending PTS updates.

---
 td/telegram/UpdatesManager.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/td/telegram/UpdatesManager.cpp b/td/telegram/UpdatesManager.cpp
index f911d9e61..260377317 100644
--- a/td/telegram/UpdatesManager.cpp
+++ b/td/telegram/UpdatesManager.cpp
@@ -2563,6 +2563,11 @@ void UpdatesManager::process_postponed_pts_updates() {
       continue;
     }
 
+    if (Time::now() - begin_time >= td::min(UPDATE_APPLY_WARNING_TIME / 2, 0.1)) {
+      // the updates will be applied or skipped later; reget the remaining updates through getDifference
+      break;
+    }
+
     auto last_update_it = update_it;
     for (int32 i = 1; true; i++) {
       ++last_update_it;