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-rw-r--r--sysdeps/mach/hurd/bits/fcntl.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/bits/fcntl.h b/sysdeps/mach/hurd/bits/fcntl.h
index 34e6baa049..8ed786d256 100644
--- a/sysdeps/mach/hurd/bits/fcntl.h
+++ b/sysdeps/mach/hurd/bits/fcntl.h
@@ -163,6 +163,11 @@
 #define	F_SETLK		8	/* Set record locking info (non-blocking).  */
 #define	F_SETLKW	9	/* Set record locking info (blocking).  */
 
+#ifdef __USE_GNU
+# define F_DUPFD_CLOEXEC 1030	/* Duplicate, set FD_CLOEXEC on new one.  */
+#endif
+
+
 /* File descriptor flags used with F_GETFD and F_SETFD.  */
 #define	FD_CLOEXEC	1	/* Close on exec.  */