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-rw-r--r--nptl/pthread_barrier_init.c57
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diff --git a/nptl/pthread_barrier_init.c b/nptl/pthread_barrier_init.c
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+/* Copyright (C) 2002 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include "pthreadP.h"
+#include <lowlevellock.h>
+
+
+int
+pthread_barrier_init (barrier, attr, count)
+ pthread_barrier_t *barrier;
+ const pthread_barrierattr_t *attr;
+ unsigned int count;
+{
+ struct pthread_barrier *ibarrier;
+
+ if (__builtin_expect (count == 0, 0))
+ return EINVAL;
+
+ if (attr != NULL)
+ {
+ struct pthread_barrierattr *iattr;
+
+ iattr = (struct pthread_barrierattr *) attr;
+
+ if (iattr->pshared != PTHREAD_PROCESS_PRIVATE
+ && __builtin_expect (iattr->pshared != PTHREAD_PROCESS_SHARED, 0))
+ /* Invalid attribute. */
+ return EINVAL;
+ }
+
+ ibarrier = (struct pthread_barrier *) barrier;
+
+ /* Initialize the individual fields. */
+ ibarrier->lock = LLL_LOCK_INITIALIZER;
+ ibarrier->left = count;
+ ibarrier->init_count = count;
+ ibarrier->curr_event = 0;
+
+ return 0;
+}