1 /* Copyright (C) 2002, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
21 #include <lowlevellock.h>
24 pthread_barrier_destroy (
25 pthread_barrier_t *barrier)
27 union sparc_pthread_barrier *ibarrier;
30 ibarrier = (union sparc_pthread_barrier *) barrier;
32 int private = ibarrier->s.pshared ? LLL_SHARED : LLL_PRIVATE;
34 lll_lock (ibarrier->b.lock, private);
36 if (__builtin_expect (ibarrier->b.left == ibarrier->b.init_count, 1))
37 /* The barrier is not used anymore. */
40 /* Still used, return with an error. */
41 lll_unlock (ibarrier->b.lock, private);