This is my initial working version.

There is a bug in boot in this version: subhurd sometimes cannot boot.

1 files changed, 53 insertions, 0 deletions

diff --git a/eth-multiplexer/test.c b/eth-multiplexer/test.c
new file mode 100644
index 00000000..bf80583f
--- /dev/null
+++ b/eth-multiplexer/test.c
@@ -0,0 +1,53 @@
+/* 
+   Copyright (C) 2008 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.  */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <string.h>
+#include <error.h>
+
+#include <hurd.h>
+#include <mach.h>
+#include <device/device.h>
+
+int
+main(int argc , char *argv[])
+{
+  mach_port_t device;
+  mach_port_t master_device;
+  error_t err;
+
+  err = get_privileged_ports (0, &master_device);
+  if (err)
+    error (2, err, "cannot get device master port");
+
+  err = device_open (master_device, D_READ | D_WRITE, "eth0", &device);
+  if (err)
+    error (1, err, "device_open");
+  printf ("the device port is %d\n", device);
+
+  err = device_open (master_device, D_READ | D_WRITE, "eth0", &device);
+  if (err)
+    error (1, err, "device_open");
+  printf ("the device port is %d\n", device);
+
+  return 0;
+}