[PATCH] D48051: LTO: Work around a Windows kernel bug by keeping file handles open for memory mapped files.

[Peter Collingbourne via Phabricator via llvm-commits]

pcc added a comment.

In https://reviews.llvm.org/D48051#1128998, @zturner wrote:

> Is there any we can just transfer ownership of the original handle (with `FILE_FLAG_DELETE_ON_CLOSE`) from whoever had it before to the `TempFile`.  This way we can just not close that handle until we're sure we're done with it.


I'm not sure what you mean. The `FILE_FLAG_DELETE_ON_CLOSE` handle is created and owned by `TempFile`. Do you mean transferring ownership from `TempFile` to `MemoryBuffer` when we map the file?


https://reviews.llvm.org/D48051