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I wish for a file to be deleted from disk only when it is closed. Up until that point, other processes should be able to see the file on disk and read its contents, but eventually after the close of the file, it should be deleted from disk and no longer visible on disk to other processes.
Open the file, then delete it while it’s open. Other processes will be able to use the file, but as soon as all handles to file are closed, it will be deleted.
Edit: based on the comments WilliamKF added later, this won’t accomplish what he wants — it’ll keep the file itself around until all handles to it are closed, but the directory entry for the file name will disappear as soon as you call
unlink/remove.