Add AT_RECURSIVE from Linux 5.2 to fcntl.h
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Message ID alpine.DEB.2.21.1908062100280.11466@digraph.polyomino.org.uk
State New
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  • Add AT_RECURSIVE from Linux 5.2 to fcntl.h
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Commit Message

Joseph Myers Aug. 6, 2019, 9 p.m. UTC
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.

Comments

Florian Weimer Aug. 6, 2019, 9:15 p.m. UTC | #1
* 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.

Patch
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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.  */