sysdep-cancel.h 1.3 KB

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  1. /* Cancellable system call stubs. Linux/PowerPC version.
  2. Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
  3. Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.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, see
  14. <http://www.gnu.org/licenses/>. */
  15. #include <sysdep.h>
  16. #include <tls.h>
  17. #ifndef __ASSEMBLER__
  18. # include <pthreadP.h>
  19. #endif
  20. #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
  21. # define SINGLE_THREAD_P \
  22. __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
  23. header.multiple_threads) == 0, 1)
  24. #else
  25. # define SINGLE_THREAD_P (1)
  26. # define NO_CANCELLATION 1
  27. #endif
  28. #define RTLD_SINGLE_THREAD_P \
  29. __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
  30. header.multiple_threads) == 0, 1)