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-rw-r--r--libpthread/sysdeps/generic/pt-barrier-init.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/libpthread/sysdeps/generic/pt-barrier-init.c b/libpthread/sysdeps/generic/pt-barrier-init.c
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+++ b/libpthread/sysdeps/generic/pt-barrier-init.c
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+/* pthread_barrier_init. Generic version.
+ Copyright (C) 2002, 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <pthread.h>
+#include <string.h>
+#include <assert.h>
+
+#include <pt-internal.h>
+
+int
+pthread_barrier_init (pthread_barrier_t *barrier,
+ const pthread_barrierattr_t *attr,
+ unsigned count)
+{
+ if (count == 0)
+ return EINVAL;
+
+ memset (barrier, 0, sizeof *barrier);
+
+ barrier->lock = PTHREAD_SPINLOCK_INITIALIZER;
+ barrier->pending = count;
+ barrier->count = count;
+
+ if (! attr
+ || memcmp (attr, &__pthread_default_barrierattr, sizeof (*attr) == 0))
+ /* Use the default attributes. */
+ return 0;
+
+ /* Non-default attributes. */
+
+ barrier->attr = malloc (sizeof *attr);
+ if (! barrier->attr)
+ return ENOMEM;
+
+ *barrier->attr = *attr;
+ return 0;
+}