pthread_attr_setstack.c 1.6 KB

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  1. /* Copyright (C) 2002, 2003, 2006 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, see
  14. <http://www.gnu.org/licenses/>. */
  15. #include <assert.h>
  16. #include <errno.h>
  17. #include <limits.h>
  18. #include "pthreadP.h"
  19. int
  20. __pthread_attr_setstack (
  21. pthread_attr_t *attr,
  22. void *stackaddr,
  23. size_t stacksize)
  24. {
  25. struct pthread_attr *iattr;
  26. assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  27. iattr = (struct pthread_attr *) attr;
  28. /* Catch invalid sizes. */
  29. if (stacksize < PTHREAD_STACK_MIN)
  30. return EINVAL;
  31. #ifdef EXTRA_PARAM_CHECKS
  32. EXTRA_PARAM_CHECKS;
  33. #endif
  34. iattr->stacksize = stacksize;
  35. iattr->stackaddr = (char *) stackaddr + stacksize;
  36. iattr->flags |= ATTR_FLAG_STACKADDR;
  37. return 0;
  38. }
  39. #if PTHREAD_STACK_MIN == 16384
  40. strong_alias(__pthread_attr_setstack, pthread_attr_setstack)
  41. #else
  42. weak_alias(__pthread_attr_setstack, pthread_attr_setstack)
  43. #endif