lib/ioctl.h
changeset 2589 2b9c78543663
child 2703 045624f7f4c3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/ioctl.h	Mon Nov 03 15:20:05 2014 +0100
@@ -0,0 +1,73 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  Copyright (C) 2006-2012  Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ *  This file is part of the IgH EtherCAT master userspace library.
+ *
+ *  The IgH EtherCAT master userspace library is free software; you can
+ *  redistribute it and/or modify it under the terms of the GNU Lesser General
+ *  Public License as published by the Free Software Foundation; version 2.1
+ *  of the License.
+ *
+ *  The IgH EtherCAT master userspace library is distributed in the hope that
+ *  it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with the IgH EtherCAT master userspace library. If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *
+ *  ---
+ *
+ *  The license mentioned above concerns the source code only. Using the
+ *  EtherCAT technology and brand is only permitted in compliance with the
+ *  industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ *****************************************************************************/
+
+#ifndef __EC_LIB_IOCTL_H__
+#define __EC_LIB_IOCTL_H__
+
+/*****************************************************************************/
+
+#ifdef USE_RTDM
+#include <rtdm/rtdm.h>
+#else
+#include <sys/ioctl.h>
+#endif
+
+/*****************************************************************************/
+
+#include "master/ioctl.h"
+
+/*****************************************************************************/
+
+#ifdef USE_RTDM
+
+#define ioctl rt_dev_ioctl
+
+/* rt_dev_ioctl() returns negative error code */
+#define EC_IOCTL_IS_ERROR(X) ((X) < 0)
+#define EC_IOCTL_ERRNO(X) (-(X))
+
+#else
+
+#define ioctl ioctl
+
+/* libc's ioctl() always returns -1 on error and sets errno */
+#define EC_IOCTL_IS_ERROR(X) ((X) == -1)
+#define EC_IOCTL_ERRNO(X) (errno)
+
+#include <errno.h>
+
+#endif
+
+/*****************************************************************************/
+
+#endif /* __EC_LIB_IOCTL_H__ */
+
+/*****************************************************************************/
+