sigempty.c 1.1 KB

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  1. /* Copyright (C) 1991,96,97,2002 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. <http://www.gnu.org/licenses/>. */
  14. #include <signal.h>
  15. #if 0
  16. #define __need_NULL
  17. #include <stddef.h>
  18. #include <errno.h>
  19. #endif
  20. /* Clear all signals from SET. */
  21. int sigemptyset (sigset_t *set)
  22. {
  23. #if 0 /* is it really required by standards?! */
  24. if (set == NULL)
  25. {
  26. __set_errno (EINVAL);
  27. return -1;
  28. }
  29. #endif
  30. __sigemptyset (set);
  31. return 0;
  32. }