From: Joseph Myers <joseph@codesourcery.com>
To: <libc-alpha@sourceware.org>
Subject: Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h
Date: Mon, 20 May 2019 21:58:33 +0000 [thread overview]
Message-ID: <alpine.DEB.2.21.1905202158180.19503@digraph.polyomino.org.uk> (raw)
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
next reply other threads:[~2019-05-20 21:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-20 21:58 Joseph Myers [this message]
2019-05-21 6:04 ` Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h Florian Weimer
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