From 14eda7a97c7cad24810fb8f036afd4b4cf2e6e12 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Sun, 30 Apr 2023 16:54:55 +0300
Subject: [PATCH] Fix MpscPollableQueue:is_empty.

---
 tdutils/td/utils/MpscPollableQueue.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tdutils/td/utils/MpscPollableQueue.h b/tdutils/td/utils/MpscPollableQueue.h
index 11811d625..49bb1bb35 100644
--- a/tdutils/td/utils/MpscPollableQueue.h
+++ b/tdutils/td/utils/MpscPollableQueue.h
@@ -33,6 +33,8 @@ class MpscPollableQueue {
       auto guard = lock_.lock();
       if (writer_vector_.empty()) {
         if (i == 1) {
+          reader_vector_.clear();
+          reader_pos_ = 0;
           wait_event_fd_ = true;
           return 0;
         }