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Re: Add AT_RECURSIVE from Linux 5.2 to fcntl.h
- From: Florian Weimer <fw at deneb dot enyo dot de>
- To: Joseph Myers <joseph at codesourcery dot com>
- Cc: <libc-alpha at sourceware dot org>
- Date: Tue, 06 Aug 2019 23:15:57 +0200
- Subject: Re: Add AT_RECURSIVE from Linux 5.2 to fcntl.h
- References: <alpine.DEB.2.21.1908062100280.11466@digraph.polyomino.org.uk>
* Joseph Myers:
> This patch adds the AT_RECURSIVE constant from Linux 5.2 to glibc's
> fcntl.h. (Existing practice in glibc is that the AT_* constants go
> directly in io/fcntl.h rather than somewhere OS-specific.)
>
> Tested for x86_64.
>
> 2019-08-06 Joseph Myers <joseph@codesourcery.com>
>
> * io/fcntl.h [__USE_GNU] (AT_RECURSIVE): New macro.
>
> diff --git a/io/fcntl.h b/io/fcntl.h
> index 7af8dfba69..1043d27ad9 100644
> --- a/io/fcntl.h
> +++ b/io/fcntl.h
> @@ -161,6 +161,7 @@ typedef __pid_t pid_t;
> # define AT_STATX_SYNC_AS_STAT 0x0000
> # define AT_STATX_FORCE_SYNC 0x2000
> # define AT_STATX_DONT_SYNC 0x4000
> +# define AT_RECURSIVE 0x8000 /* Apply to the entire subtree. */
> # endif
> # define AT_EACCESS 0x200 /* Test access permitted for
> effective IDs, not real IDs. */
Patch looks good to me. The definition matches the Linux sources.