refactor

repertory/librepertory/src/file_manager/open_file.cpp

@@ -663,6 +663,7 @@ void open_file::update_reader(std::size_t chunk) {
   reader_thread_ = std::make_unique<std::thread>([this]() {
     unique_recur_mutex_lock lock(rw_mtx_);
     auto next_chunk{read_chunk_};
+    auto read_chunk{read_chunk_};
     lock.unlock();
 
     while (not stop_requested_) {
@@ -675,6 +676,10 @@ void open_file::update_reader(std::size_t chunk) {
         continue;
       }
 
+      if (read_chunk != read_chunk_) {
+        next_chunk = read_chunk = read_chunk_;
+      }
+
       next_chunk = next_chunk + 1U >= read_state.size() ? 0U : next_chunk + 1U;
       lock.unlock();