libc_pthread_init.c 1.7 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243
  1. /* Copyright (C) 2002 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Jakub Jelinek <jakub@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, see
  14. <http://www.gnu.org/licenses/>. */
  15. #include <locale.h>
  16. #include <string.h>
  17. #include <linuxthreads/sysdeps/pthread/pthread-functions.h>
  18. int __libc_multiple_threads attribute_hidden __attribute__((nocommon));
  19. int * __libc_pthread_init (const struct pthread_functions *functions)
  20. {
  21. #ifdef SHARED
  22. /* We copy the content of the variable pointed to by the FUNCTIONS
  23. parameter to one in libc.so since this means access to the array
  24. can be done with one memory access instead of two. */
  25. memcpy (&__libc_pthread_functions, functions,
  26. sizeof (__libc_pthread_functions));
  27. #endif
  28. #if !defined __UCLIBC_HAS_TLS__ && defined __UCLIBC_HAS_XLOCALE__
  29. /* Initialize thread-locale current locale to point to the global one.
  30. With __thread support, the variable's initializer takes care of this. */
  31. uselocale (LC_GLOBAL_LOCALE);
  32. #endif
  33. return &__libc_multiple_threads;
  34. }