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-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/unix/sysv/linux/bits/fcntl-linux.h2
2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 8ea94b6eb1..5f21fe463a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-05-23 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU]
+ (F_SEAL_FUTURE_WRITE): New macro.
+
2019-05-23 Alexandra Hajkova <ahajkova@redhat.com>
* elf/Makefile (test-container): Add tst-ldconfig-bad-aux-cache.
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