initial import

1 files changed, 60 insertions, 0 deletions

diff --git a/hurd/privports.c b/hurd/privports.c
new file mode 100644
index 0000000000..f760e37e6e
--- /dev/null
+++ b/hurd/privports.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <hurd.h>
+
+/* The program might set these if it is the initial task
+   bootstrapped by the microkernel.  */
+
+mach_port_t _hurd_host_priv, _hurd_device_master;
+
+
+kern_return_t
+get_privileged_ports (host_priv_t *host_priv_ptr, device_t *device_master_ptr)
+{
+  if (! _hurd_host_priv)
+    {
+      error_t err;
+
+      if (_hurd_ports)
+	/* We have gotten some initial ports, so perhaps
+	   we have a proc server to talk to.  */
+	err = __USEPORT (PROC, __proc_getprivports (port,
+						    &_hurd_host_priv,
+						    &_hurd_device_master));
+      else
+	return MACH_SEND_INVALID_DEST;
+
+      if (err)
+	return err;
+    }
+
+  if (host_priv_ptr)
+    {
+      mach_port_mod_refs (mach_task_self (),
+			  _hurd_host_priv, MACH_PORT_RIGHT_SEND, 1);
+      *host_priv_ptr = _hurd_host_priv;
+    }
+  if (device_master_ptr)
+    {
+      mach_port_mod_refs (mach_task_self (),
+			  _hurd_device_master, MACH_PORT_RIGHT_SEND, 1);
+      *device_master_ptr = _hurd_device_master;
+    }
+  return KERN_SUCCESS;
+}