sigset-cvt-mask.h 1.4 KB

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  1. /* Convert between lowlevel sigmask and libc representation of sigset_t.
  2. Linux version.
  3. Copyright (C) 1998, 2002 Free Software Foundation, Inc.
  4. This file is part of the GNU C Library.
  5. Contributed by Joe Keane <jgk@jgk.org>.
  6. The GNU C Library is free software; you can redistribute it and/or
  7. modify it under the terms of the GNU Lesser General Public
  8. License as published by the Free Software Foundation; either
  9. version 2.1 of the License, or (at your option) any later version.
  10. The GNU C Library is distributed in the hope that it will be useful,
  11. but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. Lesser General Public License for more details.
  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. <http://www.gnu.org/licenses/>. */
  17. #ifndef _SIGSET_CVT_MASK_H
  18. #define _SIGSET_CVT_MASK_H
  19. #include <string.h>
  20. static __inline__ void __attribute__ ((unused))
  21. sigset_set_old_mask (sigset_t *set, int mask)
  22. {
  23. if (_SIGSET_NWORDS == 2) /* typical */
  24. set->__val[1] = 0;
  25. if (_SIGSET_NWORDS > 2)
  26. memset(set, 0, sizeof(*set));
  27. set->__val[0] = (unsigned int) mask;
  28. }
  29. static __inline__ int __attribute__ ((unused))
  30. sigset_get_old_mask (const sigset_t *set)
  31. {
  32. return (unsigned int) set->__val[0];
  33. }
  34. #endif