This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h
- From: Joseph Myers <joseph at codesourcery dot com>
- To: <libc-alpha at sourceware dot org>
- Date: Mon, 20 May 2019 21:58:33 +0000
- Subject: Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h
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