* Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h
@ 2019-05-20 21:58 Joseph Myers
2019-05-21 6:04 ` Florian Weimer
0 siblings, 1 reply; 2+ messages in thread
From: Joseph Myers @ 2019-05-20 21:58 UTC (permalink / raw)
To: libc-alpha
This patch adds the new F_SEAL_FUTURE_WRITE constant from Linux 5.1 to
bits/fcntl-linux.h.
Tested for x86_64.
2019-05-20 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU]
(F_SEAL_FUTURE_WRITE): New macro.
diff --git a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
index 4b4d6f7ae5..3f32eb328b 100644
--- a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
@@ -284,6 +284,8 @@ struct f_owner_ex
# define F_SEAL_SHRINK 0x0002 /* Prevent file from shrinking. */
# define F_SEAL_GROW 0x0004 /* Prevent file from growing. */
# define F_SEAL_WRITE 0x0008 /* Prevent writes. */
+# define F_SEAL_FUTURE_WRITE 0x0010 /* Prevent future writes while
+ mapped. */
#endif
#ifdef __USE_GNU
--
Joseph S. Myers
joseph@codesourcery.com
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h
2019-05-20 21:58 Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h Joseph Myers
@ 2019-05-21 6:04 ` Florian Weimer
0 siblings, 0 replies; 2+ messages in thread
From: Florian Weimer @ 2019-05-21 6:04 UTC (permalink / raw)
To: Joseph Myers; +Cc: libc-alpha
* Joseph Myers:
> This patch adds the new F_SEAL_FUTURE_WRITE constant from Linux 5.1 to
> bits/fcntl-linux.h.
>
> Tested for x86_64.
>
> 2019-05-20 Joseph Myers <joseph@codesourcery.com>
>
> * sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU]
> (F_SEAL_FUTURE_WRITE): New macro.
>
> diff --git a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
> index 4b4d6f7ae5..3f32eb328b 100644
> --- a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
> +++ b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
> @@ -284,6 +284,8 @@ struct f_owner_ex
> # define F_SEAL_SHRINK 0x0002 /* Prevent file from shrinking. */
> # define F_SEAL_GROW 0x0004 /* Prevent file from growing. */
> # define F_SEAL_WRITE 0x0008 /* Prevent writes. */
> +# define F_SEAL_FUTURE_WRITE 0x0010 /* Prevent future writes while
> + mapped. */
> #endif
>
> #ifdef __USE_GNU
I checked this against the Linux sources and the change looks good to
me.
Thanks,
Florian
^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-05-20 21:58 Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h Joseph Myers
2019-05-21 6:04 ` Florian Weimer
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