80 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * pthread_attr_destroy.c
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 *
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 * Description:
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 * This translation unit implements operations on thread attribute objects.
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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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 *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include "pthread.h"
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#include "implement.h"
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int
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pthread_attr_destroy (pthread_attr_t * attr)
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     /*
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      * ------------------------------------------------------
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      * DOCPUBLIC
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      *      Destroys a thread attributes object.
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      *
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      * PARAMETERS
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      *      attr
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      *              pointer to an instance of pthread_attr_t
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      *
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      *
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      * DESCRIPTION
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      *      Destroys a thread attributes object.
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      *
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      *      NOTES:
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      *              1)      Does not affect threads created with 'attr'.
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      *
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      * RESULTS
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      *              0               successfully destroyed attr,
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      *              EINVAL          'attr' is invalid.
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      *
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      * ------------------------------------------------------
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      */
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{
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  if (ptw32_is_attr (attr) != 0)
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    {
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      return EINVAL;
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    }
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  /*
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   * Set the attribute object to a specific invalid value.
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   */
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  (*attr)->valid = 0;
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  free (*attr);
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  *attr = NULL;
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  return 0;
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}
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