[question]don't the atomic package need to call fsync?

[lufia]

Hi, I'm reading this package.

Modern OSes probably has dirty buffer, so I think WriteFile needs to flush the buffer with fsync or fdatasync.
Windows might need to replace these syscalls with FlushFileBuffers.

[Al2Klimov]

Sure. See https://stackoverflow.com/a/15348491 . Stumbled over this as well, wondering why @natefinch didn’t have it already. But nevermind, I've opened PR #14 .