summaryrefslogtreecommitdiff
path: root/sysdeps/generic/bits/ioctls.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/bits/ioctls.h')
-rw-r--r--sysdeps/generic/bits/ioctls.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/generic/bits/ioctls.h b/sysdeps/generic/bits/ioctls.h
index 3b6178bfae..d3ecad9515 100644
--- a/sysdeps/generic/bits/ioctls.h
+++ b/sysdeps/generic/bits/ioctls.h
@@ -1 +1,5 @@
+#ifndef _SYS_IOCTL_H
+# error "Never use <bits/ioctls.h> directly; include <sys/ioctl.h> instead."
+#endif
+
/* This space intentionally left blank. */