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/*
* Copyright (c) 2010 embedded brains GmbH.
*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/object.h>
#include <rtems/score/thread.h>
#include <rtems/posix/key.h>
/*PAGE
*
* _POSIX_Keys_Run_destructors
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*
* NOTE: This is the routine executed when a thread exits to
* run through all the keys and do the destructor action.
*/
void _POSIX_Keys_Run_destructors(
Thread_Control *thread
)
{
Objects_Maximum thread_index = _Objects_Get_index( thread->Object.id );
Objects_APIs thread_api = _Objects_Get_API( thread->Object.id );
bool done = false;
/*
* The standard allows one to avoid a potential infinite loop and limit the
* number of iterations. An infinite loop may happen if destructors set
* thread specific data. This can be considered dubious.
*
* Reference: 17.1.1.2 P1003.1c/Draft 10, p. 163, line 99.
*/
while ( !done ) {
Objects_Maximum index = 0;
Objects_Maximum max = _POSIX_Keys_Information.maximum;
done = true;
for ( index = 1 ; index <= max ; ++index ) {
POSIX_Keys_Control *key = (POSIX_Keys_Control *)
_POSIX_Keys_Information.local_table [ index ];
if ( key != NULL && key->destructor != NULL ) {
void *value = key->Values [ thread_api ][ thread_index ];
if ( value != NULL ) {
key->Values [ thread_api ][ thread_index ] = NULL;
(*key->destructor)( value );
done = false;
}
}
}
}
}
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