linux-kernel - Re: [PATCH 21/21] posix_types: Remove fd

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Date:	Tue, 14 Feb 2012 19:18:34 +0000
From:	David Howells <dhowells@...hat.com>
To:	Tony Luck <tony.luck@...el.com>, "H. Peter Anvin" <hpa@...or.com>
Cc:	dhowells@...hat.com, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 21/21] posix_types: Remove fd_set macros

Tony Luck <tony.luck@...el.com> wrote:

> Adding a #include <linux/string.h> to include/linux/time.h fixes them for me.

Which is one of the reasons I'd rather not see these things cropping up in
linux/time.h.  Either put them in linux/select.h (mirroring userspace) or
stick them in linux/poll.h with the rest of the polling paraphernalia.

__FD_SET() and co aren't exported to userspace anyway, as I understand it, so
it shouldn't hurt to bung them in linux/poll.h, and if they are exported to
userspace, they should stay in posix_types.h, shouldn't they?

To support this, at least three #includes will have to be added to
linux/time.h: linux/posix_types.h (which is fair enough), linux/bitops.h and
linux/string.h.

David
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