Re: O_DIRECT on macOS

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От Thomas Munro
Тема Re: O_DIRECT on macOS
Дата
Msg-id CA+hUKGLYTWZ7=y=p=VqwOjqyTnCMa4g46DxkX73Qiuc0U8R3EQ@mail.gmail.com
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Ответ на Re: O_DIRECT on macOS  (Thomas Munro <thomas.munro@gmail.com>)
Ответы Re: O_DIRECT on macOS
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On Mon, May 31, 2021 at 10:29 AM Thomas Munro <thomas.munro@gmail.com> wrote:
> For comparison, here is my sketch of idea #1.  I pick an arbitrary
> value to use as PG_O_DIRECT (I don't want to define O_DIRECT for fear
> of breaking other code that might see it and try to pass it into
> open()... for all I know, it might happen to match OS-internal value
> O_NASAL_DEMONS), and statically assert that it doesn't collide with
> standard flags we're using, and I strip it out of the flags I pass in
> to open().  As I said, a bit icky, but it's a tiny and localised
> patch, which is nice.

I'm planning to go with that idea (#1), if there are no objections.



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