1  /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <hurd.h>
      19  #include <hurd/port.h>
      20  
      21  
      22  static inline mach_port_t
      23  get (const int idx)
      24  {
      25    mach_port_t result;
      26    error_t err = _hurd_ports_get (idx, &result);
      27  
      28    if (err)
      29      return __hurd_fail (err), MACH_PORT_NULL;
      30    return result;
      31  }
      32  #define	GET(type, what, idx) \
      33    type get##what (void) { return get (INIT_PORT_##idx); }
      34  
      35  static inline int
      36  set (const int idx, mach_port_t new)
      37  {
      38    error_t err = _hurd_ports_set (idx, new);
      39    return err ? __hurd_fail (err) : 0;
      40  }
      41  #define SET(type, what, idx) \
      42    int set##what (type new) { return set (INIT_PORT_##idx, new); }
      43  
      44  #define	GETSET(type, what, idx) \
      45    GET (type, what, idx) SET (type, what, idx)
      46  
      47  GETSET (process_t, proc, PROC)
      48  GETSET (mach_port_t, cttyid, CTTYID)
      49  GETSET (file_t, cwdir, CWDIR)
      50  GETSET (file_t, crdir, CRDIR)
      51  GETSET (auth_t, auth, AUTH)