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, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #include <assert.h>
  17. #include <errno.h>
  18. #include <limits.h>
  19. #include "pthreadP.h"
  20. int
  21. __pthread_attr_setstack (
  22. pthread_attr_t *attr,
  23. void *stackaddr,
  24. size_t stacksize)
  25. {
  26. struct pthread_attr *iattr;
  27. assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  28. iattr = (struct pthread_attr *) attr;
  29. /* Catch invalid sizes. */
  30. if (stacksize < PTHREAD_STACK_MIN)
  31. return EINVAL;
  32. #ifdef EXTRA_PARAM_CHECKS
  33. EXTRA_PARAM_CHECKS;
  34. #endif
  35. iattr->stacksize = stacksize;
  36. iattr->stackaddr = (char *) stackaddr + stacksize;
  37. iattr->flags |= ATTR_FLAG_STACKADDR;
  38. return 0;
  39. }
  40. #if PTHREAD_STACK_MIN == 16384
  41. strong_alias(__pthread_attr_setstack, pthread_attr_setstack)
  42. #else
  43. weak_alias(__pthread_attr_setstack, pthread_attr_setstack)
  44. #endif