pthread_attr_setdetachstate.c 1.6 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546
  1. /* Copyright (C) 2002 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 "pthreadP.h"
  19. int
  20. __pthread_attr_setdetachstate (pthread_attr_t *attr, int detachstate)
  21. {
  22. struct pthread_attr *iattr;
  23. assert (sizeof (*attr) >= sizeof (struct pthread_attr));
  24. iattr = (struct pthread_attr *) attr;
  25. /* Catch invalid values. */
  26. if (detachstate != PTHREAD_CREATE_DETACHED
  27. && __builtin_expect (detachstate != PTHREAD_CREATE_JOINABLE, 0))
  28. return EINVAL;
  29. /* Set the flag. It is nonzero if threads are created detached. */
  30. if (detachstate == PTHREAD_CREATE_DETACHED)
  31. iattr->flags |= ATTR_FLAG_DETACHSTATE;
  32. else
  33. iattr->flags &= ~ATTR_FLAG_DETACHSTATE;
  34. return 0;
  35. }
  36. strong_alias (__pthread_attr_setdetachstate, pthread_attr_setdetachstate)