initial import

hurd/ports-set.c

@@ -0,0 +1,57 @@
+/* Copyright (C) 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>
+
+static error_t
+setbootstrap (mach_port_t newport)
+{
+  return __task_set_special_port (__mach_task_self (),
+				  TASK_BOOTSTRAP_PORT,
+				  newport);
+}
+
+extern error_t _hurd_setauth (auth_t);
+extern error_t _hurd_setproc (process_t);
+extern error_t _hurd_setcttyid (mach_port_t);
+
+error_t (*_hurd_ports_setters[INIT_PORT_MAX]) (mach_port_t newport) =
+  {
+    [INIT_PORT_BOOTSTRAP] = setbootstrap,
+    [INIT_PORT_AUTH] = _hurd_setauth,
+    [INIT_PORT_PROC] = _hurd_setproc,
+    [INIT_PORT_CTTYID] = _hurd_setcttyid,
+  };
+
+
+error_t
+_hurd_ports_set (int which, mach_port_t newport)
+{
+  error_t err;
+  if (which < 0 || which >= _hurd_nports)
+    return EINVAL;
+  if (err = __mach_port_mod_refs (__mach_task_self (), newport,
+				  MACH_PORT_RIGHT_SEND, 1))
+    return err;
+  if (which >= INIT_PORT_MAX || _hurd_ports_setters[which] == NULL)
+    {
+      _hurd_port_set (&_hurd_ports[which], newport);
+      return 0;
+    }
+  return (*_hurd_ports_setters[which]) (newport);
+}