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, write to the Free
  16. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17. 02111-1307 USA. */
  18. static __inline__ void __attribute__ ((unused))
  19. sigset_set_old_mask (sigset_t *set, int mask)
  20. {
  21. if (_SIGSET_NWORDS == 2) /* typical */
  22. set->__val[1] = 0;
  23. if (_SIGSET_NWORDS > 2)
  24. memset(set, 0, sizeof(*set));
  25. set->__val[0] = (unsigned int) mask;
  26. }
  27. static __inline__ int __attribute__ ((unused))
  28. sigset_get_old_mask (const sigset_t *set)
  29. {
  30. return (unsigned int) set->__val[0];
  31. }