1 /* Copyright (C) 2002, 2006, 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <lowlevellock.h>
25 pthread_barrier_init (
26 pthread_barrier_t *barrier,
27 const pthread_barrierattr_t *attr,
30 union sparc_pthread_barrier *ibarrier;
32 if (__builtin_expect (count == 0, 0))
35 struct pthread_barrierattr *iattr = (struct pthread_barrierattr *) attr;
38 if (iattr->pshared != PTHREAD_PROCESS_PRIVATE
39 && __builtin_expect (iattr->pshared != PTHREAD_PROCESS_SHARED, 0))
40 /* Invalid attribute. */
44 ibarrier = (union sparc_pthread_barrier *) barrier;
46 /* Initialize the individual fields. */
47 ibarrier->b.lock = LLL_LOCK_INITIALIZER;
48 ibarrier->b.left = count;
49 ibarrier->b.init_count = count;
50 ibarrier->b.curr_event = 0;
51 ibarrier->s.left_lock = 0;
52 ibarrier->s.pshared = (iattr && iattr->pshared == PTHREAD_PROCESS_SHARED);