hurdports.c 1.6 KB

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  1. /* Copyright (C) 1991-2026 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <https://www.gnu.org/licenses/>. */
  14. #include <hurd.h>
  15. #include <hurd/port.h>
  16. static inline mach_port_t
  17. get (const int idx)
  18. {
  19. mach_port_t result;
  20. error_t err = _hurd_ports_get (idx, &result);
  21. if (err)
  22. return __hurd_fail (err), MACH_PORT_NULL;
  23. return result;
  24. }
  25. #define GET(type, what, idx) \
  26. type get##what (void) { return get (INIT_PORT_##idx); }
  27. static inline int
  28. set (const int idx, mach_port_t new)
  29. {
  30. error_t err = _hurd_ports_set (idx, new);
  31. return err ? __hurd_fail (err) : 0;
  32. }
  33. #define SET(type, what, idx) \
  34. int set##what (type new) { return set (INIT_PORT_##idx, new); }
  35. #define GETSET(type, what, idx) \
  36. GET (type, what, idx) SET (type, what, idx)
  37. GETSET (process_t, proc, PROC)
  38. GETSET (mach_port_t, cttyid, CTTYID)
  39. GETSET (file_t, cwdir, CWDIR)
  40. GETSET (file_t, crdir, CRDIR)
  41. GETSET (auth_t, auth, AUTH)