sigfillset.c 1.4 KB

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  1. /* Copyright (C) 1991,96,97,2002,2003,2004 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, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. #include <errno.h>
  16. #include <signal.h>
  17. #include <string.h>
  18. libc_hidden_proto(memset)
  19. /* Set all signals in SET. */
  20. libc_hidden_proto(sigfillset)
  21. int
  22. sigfillset (sigset_t *set)
  23. {
  24. if (set == NULL)
  25. {
  26. __set_errno (EINVAL);
  27. return -1;
  28. }
  29. memset (set, 0xff, sizeof (sigset_t));
  30. /* If the implementation uses a cancellation signal don't set the bit. */
  31. #ifdef SIGCANCEL
  32. __sigdelset (set, SIGCANCEL);
  33. #endif
  34. /* Likewise for the signal to implement setxid. */
  35. #ifdef SIGSETXID
  36. __sigdelset (set, SIGSETXID);
  37. #endif
  38. return 0;
  39. }
  40. libc_hidden_def(sigfillset)