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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* pthread_rwlockattr_init.c
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*
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* Description:
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* This translation unit implements read/write lock primitives.
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*
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* --------------------------------------------------------------------------
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*
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* Pthreads-win32 - POSIX Threads Library for Win32
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* Copyright(C) 1998 John E. Bossom
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* Copyright(C) 1999,2005 Pthreads-win32 contributors
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*
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* Contact Email: rpj@callisto.canberra.edu.au
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*
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* The current list of contributors is contained
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* in the file CONTRIBUTORS included with the source
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* code distribution. The list can also be seen at the
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* following World Wide Web location:
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* http://sources.redhat.com/pthreads-win32/contributors.html
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING.LIB;
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* if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <limits.h>
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#include "pthread.h"
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#include "implement.h"
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int
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pthread_rwlockattr_init (pthread_rwlockattr_t * attr)
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/*
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* ------------------------------------------------------
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* DOCPUBLIC
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* Initializes a rwlock attributes object with default
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* attributes.
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*
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* PARAMETERS
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* attr
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* pointer to an instance of pthread_rwlockattr_t
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*
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*
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* DESCRIPTION
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* Initializes a rwlock attributes object with default
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* attributes.
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*
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* RESULTS
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* 0 successfully initialized attr,
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* ENOMEM insufficient memory for attr.
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*
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* ------------------------------------------------------
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*/
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{
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int result = 0;
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pthread_rwlockattr_t rwa;
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rwa = (pthread_rwlockattr_t) calloc (1, sizeof (*rwa));
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if (rwa == NULL)
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{
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result = ENOMEM;
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}
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else
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{
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rwa->pshared = PTHREAD_PROCESS_PRIVATE;
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}
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*attr = rwa;
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return (result);
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} /* pthread_rwlockattr_init */
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