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-rw-r--r--hurd/hurd/ioctl.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/hurd/hurd/ioctl.h b/hurd/hurd/ioctl.h
index 1f8b610f58..4771426320 100644
--- a/hurd/hurd/ioctl.h
+++ b/hurd/hurd/ioctl.h
@@ -68,6 +68,11 @@ extern int hurd_register_ioctl_handler (int first_request, int last_request,
   _HURD_HANDLE_IOCTLS_1 (handler, ioctl, ioctl, ioctl##_only)
 
 
+/* Install a new CTTYID port, atomically updating the dtable appropriately.
+   This consumes the send right passed in.  */
+
+void _hurd_locked_install_cttyid (mach_port_t cttyid);
+
 /* Lookup the handler for the given ioctl request.  */
 
 ioctl_handler_t _hurd_lookup_ioctl_handler (int request);