| /* Copyright (C) 2002-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include "pthreadP.h" |
| #include <lowlevellock.h> |
| |
| int |
| pthread_barrier_destroy (barrier) |
| pthread_barrier_t *barrier; |
| { |
| union sparc_pthread_barrier *ibarrier; |
| int result = EBUSY; |
| |
| ibarrier = (union sparc_pthread_barrier *) barrier; |
| |
| int private = ibarrier->s.pshared ? LLL_SHARED : LLL_PRIVATE; |
| |
| lll_lock (ibarrier->b.lock, private); |
| |
| if (__builtin_expect (ibarrier->b.left == ibarrier->b.init_count, 1)) |
| /* The barrier is not used anymore. */ |
| result = 0; |
| else |
| /* Still used, return with an error. */ |
| lll_unlock (ibarrier->b.lock, private); |
| |
| return result; |
| } |
