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+/*
+ * barrier_attr_destroy.c
+ *
+ * Description:
+ * This translation unit implements barrier primitives.
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Pthreads-win32 - POSIX Threads Library for Win32
+ * Copyright(C) 1998 John E. Bossom
+ * Copyright(C) 1999,2002 Pthreads-win32 contributors
+ *
+ * Contact Email: rpj@ise.canberra.edu.au
+ *
+ * The current list of contributors is contained
+ * in the file CONTRIBUTORS included with the source
+ * code distribution. The list can also be seen at the
+ * following World Wide Web location:
+ * http://sources.redhat.com/pthreads-win32/contributors.html
+ *
+ * This 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 of the License, or (at your option) any later version.
+ *
+ * This 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 this library in 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 "implement.h"
+
+
+int
+pthread_barrierattr_destroy (pthread_barrierattr_t * attr)
+ /*
+ * ------------------------------------------------------
+ * DOCPUBLIC
+ * Destroys a barrier attributes object. The object can
+ * no longer be used.
+ *
+ * PARAMETERS
+ * attr
+ * pointer to an instance of pthread_barrierattr_t
+ *
+ *
+ * DESCRIPTION
+ * Destroys a barrier attributes object. The object can
+ * no longer be used.
+ *
+ * NOTES:
+ * 1) Does not affect barrieres created using 'attr'
+ *
+ * RESULTS
+ * 0 successfully released attr,
+ * EINVAL 'attr' is invalid.
+ *
+ * ------------------------------------------------------
+ */
+{
+ int result = 0;
+
+ if (attr == NULL || *attr == NULL)
+ {
+ result = EINVAL;
+ }
+ else
+ {
+ pthread_barrierattr_t ba = *attr;
+
+ *attr = NULL;
+ free (ba);
+ }
+
+ return (result);
+} /* pthread_barrierattr_destroy */
+