sigaction.c 1.5 KB

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  1. /* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #ifndef LIBC_SIGACTION
  17. #include <pthreadP.h>
  18. /* We use the libc implementation but we tell it to not allow
  19. SIGCANCEL or SIGTIMER to be handled. */
  20. #define LIBC_SIGACTION 1
  21. #include <sigaction.c>
  22. extern __typeof(sigaction) __sigaction;
  23. int
  24. __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
  25. {
  26. if (__builtin_expect (sig == SIGCANCEL || sig == SIGSETXID, 0))
  27. {
  28. __set_errno (EINVAL);
  29. return -1;
  30. }
  31. return __libc_sigaction (sig, act, oact);
  32. }
  33. libc_hidden_proto(sigaction)
  34. weak_alias (__sigaction, sigaction)
  35. libc_hidden_weak(sigaction)
  36. #else
  37. # include_next <sigaction.c>
  38. #endif /* LIBC_SIGACTION */