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      1 /*
      2  * pthread_barrier_attr_init.c
      3  *
      4  * Description:
      5  * This translation unit implements barrier primitives.
      6  *
      7  * --------------------------------------------------------------------------
      8  *
      9  *      Pthreads-win32 - POSIX Threads Library for Win32
     10  *      Copyright(C) 1998 John E. Bossom
     11  *      Copyright(C) 1999,2005 Pthreads-win32 contributors
     12  *
     13  *      Contact Email: rpj (at) callisto.canberra.edu.au
     14  *
     15  *      The current list of contributors is contained
     16  *      in the file CONTRIBUTORS included with the source
     17  *      code distribution. The list can also be seen at the
     18  *      following World Wide Web location:
     19  *      http://sources.redhat.com/pthreads-win32/contributors.html
     20  *
     21  *      This library is free software; you can redistribute it and/or
     22  *      modify it under the terms of the GNU Lesser General Public
     23  *      License as published by the Free Software Foundation; either
     24  *      version 2 of the License, or (at your option) any later version.
     25  *
     26  *      This library is distributed in the hope that it will be useful,
     27  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
     28  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     29  *      Lesser General Public License for more details.
     30  *
     31  *      You should have received a copy of the GNU Lesser General Public
     32  *      License along with this library in the file COPYING.LIB;
     33  *      if not, write to the Free Software Foundation, Inc.,
     34  *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
     35  */
     36 
     37 #include "pthread.h"
     38 #include "implement.h"
     39 
     40 
     41 int
     42 pthread_barrierattr_init (pthread_barrierattr_t * attr)
     43      /*
     44       * ------------------------------------------------------
     45       * DOCPUBLIC
     46       *      Initializes a barrier attributes object with default
     47       *      attributes.
     48       *
     49       * PARAMETERS
     50       *      attr
     51       *              pointer to an instance of pthread_barrierattr_t
     52       *
     53       *
     54       * DESCRIPTION
     55       *      Initializes a barrier attributes object with default
     56       *      attributes.
     57       *
     58       *      NOTES:
     59       *              1)      Used to define barrier types
     60       *
     61       * RESULTS
     62       *              0               successfully initialized attr,
     63       *              ENOMEM          insufficient memory for attr.
     64       *
     65       * ------------------------------------------------------
     66       */
     67 {
     68   pthread_barrierattr_t ba;
     69   int result = 0;
     70 
     71   ba = (pthread_barrierattr_t) calloc (1, sizeof (*ba));
     72 
     73   if (ba == NULL)
     74     {
     75       result = ENOMEM;
     76     }
     77   else
     78     {
     79       ba->pshared = PTHREAD_PROCESS_PRIVATE;
     80     }
     81 
     82   *attr = ba;
     83 
     84   return (result);
     85 }				/* pthread_barrierattr_init */
     86