weaks.c 1.9 KB

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  1. /* The weak pthread functions for Linux.
  2. Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Library General Public License as
  6. published by the Free Software Foundation; either version 2 of the
  7. 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. Library General Public License for more details.
  12. You should have received a copy of the GNU Library General Public
  13. License along with the GNU C Library; see the file COPYING.LIB. If not,
  14. write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  15. Boston, MA 02111-1307, USA. */
  16. #include <libc-internal.h>
  17. /* Weaks for internal library use only.
  18. *
  19. * We need to define weaks here to cover all the pthread functions that
  20. * libc itself will use so that we aren't forced to link libc against
  21. * libpthread. This file is only used in libc.a and since we have
  22. * weaks here, they will be automatically overridden by libpthread.a
  23. * if it gets linked in.
  24. */
  25. static int __pthread_return_0 (void) { return 0; }
  26. static void __pthread_return_void (void) { return; }
  27. weak_alias (__pthread_return_0, __pthread_mutex_init)
  28. weak_alias (__pthread_return_0, __pthread_mutex_lock)
  29. weak_alias (__pthread_return_0, __pthread_mutex_trylock)
  30. weak_alias (__pthread_return_0, __pthread_mutex_unlock)
  31. weak_alias (__pthread_return_void, _pthread_cleanup_push_defer)
  32. weak_alias (__pthread_return_void, _pthread_cleanup_pop_restore)
  33. #ifdef __UCLIBC_HAS_THREADS_NATIVE__
  34. weak_alias (__pthread_return_0, __pthread_mutexattr_init)
  35. weak_alias (__pthread_return_0, __pthread_mutexattr_destroy)
  36. weak_alias (__pthread_return_0, __pthread_mutexattr_settype)
  37. #endif