DirectoryWatcher: add an implementation for Windows #1936
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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. Differential Revision: https://reviews.llvm.org/D88666 Reviewed By: Adrian McCarthy (cherry picked from commit 5d74c43)
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@swift-ci please test |
hyp
approved these changes
Oct 10, 2020
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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.
Differential Revision: https://reviews.llvm.org/D88666
Reviewed By: Adrian McCarthy
(cherry picked from commit 5d74c43)