ioeric marked an inline comment as done.
ioeric added inline comments.

================
Comment at: clangd/index/Background.h:112
+  const size_t BuildIndexPeriodMs;
+  std::atomic<bool> SymbolsUpdatedSinceLastIndex;
+  std::mutex IndexMu;
----------------
kadircet wrote:
> We already have a mutex and cv, maybe get rid of this one signal the CV 
> whenever we have an update and sleep for `buildindexperiodms` before issuing 
> the re-build?
`IndexCV` serves two purposes: 1) get notified when `ShouldStop` is set and 2) 
timeout after `BuildIndexPeriodMs`. We wouldn't want to `sleep` here because it 
can take too long to shutdown clangd if `BuildIndexPeriodMs` is big.


Repository:
  rCTE Clang Tools Extra

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55770/new/

https://reviews.llvm.org/D55770



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