[PATCH] D88666: DirectoryWatcher: add an implementation for Windows

[Saleem Abdulrasool via Phabricator via cfe-commits]

compnerd created this revision.
compnerd added a reviewer: amccarth.
Herald added a project: clang.
compnerd requested review of this revision.

This implements the directory watcher on Windows.  It does the most
naive thing for simplicity.  ReadDirectoryChangesW is used to monitor
the changes.  However, in order to support interruption, we must use
overlapped IO, which allows us to use the blocking, synchronous
mechanism.  We create a thread to post the notification to the consumer
to allow the monitoring to continue.  The two threads communicate via a
locked queue.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88666

Files:
  clang/lib/DirectoryWatcher/windows/DirectoryWatcher-windows.cpp

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