tree dc5c856bf72f6f557e5feadfd8990cb4c1198931
parent ecf9ce8ef42de11033801b2870e8b310c3722902
author Alexander Aprelev <aam@google.com> 1604108373 +0000
committer Alexander Thomas <athom@google.com> 1605098020 +0100

[io/file_watch] Don't attempt to close already closed DirectoryWatchHandle.

Fixes https://github.com/dart-lang/sdk/issues/43941

TEST=Running four dart scripts in parallel that delete/watch thousands of file reproduces the failure after several minutes. After the fix it no longer reproduces.

Change-Id: I6a0a928838c676f44e747a822611b56f0ffc4841
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/169601
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>