machdev: Expose machdev_emul_device structure

* libmachdev/machdev-dev_hdr.h (DEVICE_NULL): Remove macro.
(emul_device): Rename structure to machdev_emul_device.
(emul_device_t): Rename type to machdev_emul_device_t.
(mach_device, mach_device_t, MACH_DEVICE_NULL): Move to...
* libmachdev/mach_device.h: ... new file.
* libmachdev/ds_routines.c: Include "mach_device.h".
* libmachdev/machdev-device_emul.h: Include <mach/notify.h>,
<device/device_types.h>, <device/net_status.h>, <errno.h>
* libmachdev/machdev.h: Include "machdev_hdr.h".
* libmachdev/mig-decls.h: Include "mach_device.h".
* libmachdev/Makefile (LCLHDRS): Add mach_device.h.
(installhdrs): Add machdev-dev_hdr.h.

1 files changed, 35 insertions, 0 deletions

diff --git a/libmachdev/mach_device.h b/libmachdev/mach_device.h
new file mode 100644
index 00000000..25bf793b
--- /dev/null
+++ b/libmachdev/mach_device.h
@@ -0,0 +1,35 @@
+/*
+   Copyright (C) 2010 Free Software Foundation, Inc.
+   Written by Zheng Da.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The GNU Hurd 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the GNU Hurd; see the file COPYING.  If not, write to
+   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#ifndef	_MACHDEV_MACH_DEVICE_H
+#define	_MACHDEV_MACH_DEVICE_H
+
+/*
+ * Generic device header.  May be allocated with the device,
+ * or built when the device is opened.
+ */
+struct mach_device {
+	struct port_info port;
+	struct machdev_emul_device	dev;		/* the real device structure */
+};
+typedef	struct mach_device *mach_device_t;
+#define	MACH_DEVICE_NULL ((mach_device_t)0)
+
+#endif	/* _MACHDEV_MACH_DEVICE_H */