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/*
* pthread_rwlockattr_init.c
*
* Description:
* This translation unit implements read/write lock primitives.
*
* --------------------------------------------------------------------------
*
* Pthreads4w - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
* Copyright(C) 1999-2018, Pthreads4w contributors
*
* Homepage: https://sourceforge.net/projects/pthreads4w/
*
* 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:
* https://sourceforge.net/p/pthreads4w/wiki/Contributors/
*
* This file is part of Pthreads4w.
*
* Pthreads4w is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pthreads4w 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pthreads4w. If not, see <http://www.gnu.org/licenses/>. *
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <limits.h>
#include "pthread.h"
#include "implement.h"
int
pthread_rwlockattr_init (pthread_rwlockattr_t * attr)
/*
* ------------------------------------------------------
* DOCPUBLIC
* Initializes a rwlock attributes object with default
* attributes.
*
* PARAMETERS
* attr
* pointer to an instance of pthread_rwlockattr_t
*
*
* DESCRIPTION
* Initializes a rwlock attributes object with default
* attributes.
*
* RESULTS
* 0 successfully initialized attr,
* ENOMEM insufficient memory for attr.
*
* ------------------------------------------------------
*/
{
int result = 0;
pthread_rwlockattr_t rwa;
rwa = (pthread_rwlockattr_t) calloc (1, sizeof (*rwa));
if (rwa == NULL)
{
result = ENOMEM;
}
else
{
rwa->pshared = PTHREAD_PROCESS_PRIVATE;
}
*attr = rwa;
return (result);
} /* pthread_rwlockattr_init */
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