a654829ade
(try_to_bin): Call NtQueryInformationFile(FileInternalInformation) with exact buffer size. Explain why. Ditto for NtSetInformationFile(FileRenameInformation). Handle race-condition which might lead to renaming a non-empty directory. (unlink_nt): Rearrange and partially rephrase comments related to the STATUS_SHARING_VIOLATION case. Fix condition under which a dir is tested for being non-empty. Handle dir_not_empty return code from try_to_bin. Gracefully handle disappearing directory in rm -r workaround. Fix typo in comment.
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