sigaction.c 1.6 KB

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  1. /* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
  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. /* This is tricky. GCC doesn't like #include_next in the primary
  17. source file and even if it did, the first #include_next is this
  18. exact file anyway. */
  19. #ifndef LIBC_SIGACTION
  20. # include <bits/libc-lock.h>
  21. # define LIBC_SIGACTION 1
  22. # include "sigaction.c"
  23. # ifndef NOT_IN_libc
  24. # ifndef SHARED
  25. weak_extern (__pthread_sigaction)
  26. # endif
  27. int
  28. __sigaction (sig, act, oact)
  29. int sig;
  30. const struct sigaction *act;
  31. struct sigaction *oact;
  32. {
  33. return __libc_maybe_call2 (pthread_sigaction, (sig, act, oact),
  34. __libc_sigaction (sig, act, oact));
  35. }
  36. # else
  37. weak_alias (__libc_sigaction, __sigaction)
  38. # endif
  39. libc_hidden_weak (__sigaction)
  40. weak_alias (__sigaction, sigaction)
  41. #else
  42. # include_next <sigaction.c>
  43. #endif /* LIBC_SIGACTION */