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/*

 *  keydelete.c,v 1.4 2002/07/01 22:33:47 joel Exp

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#include <errno.h>

#include <limits.h>

#include <pthread.h>

#include <string.h>

#include <rtems/system.h>

#include <rtems/score/thread.h>

#include <rtems/score/wkspace.h>

#include <rtems/posix/key.h>

/*PAGE

 *

 *  17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167

 */

int pthread_key_delete(

  pthread_key_t  key

)

{

  register POSIX_Keys_Control *the_key;

  Objects_Locations            location;

  unsigned32                   the_api;

  the_key = _POSIX_Keys_Get( key, &location );

  switch ( location ) {

    case OBJECTS_ERROR:

    case OBJECTS_REMOTE:   /* should never happen */

      return EINVAL;

    case OBJECTS_LOCAL:

      _Objects_Close( &_POSIX_Keys_Information, &the_key->Object );

      the_key->is_active = FALSE;

      for ( the_api = 1;

            the_api <= OBJECTS_APIS_LAST;

            the_api++ )

        if ( the_key->Values[ the_api ] )

          _Workspace_Free( the_key->Values[ the_api ] );

      /*

       *  NOTE:  The destructor is not called and it is the responsibility

       *         of the application to free the memory.

       */

      _POSIX_Keys_Free( the_key );

      _Thread_Enable_dispatch();

      return 0;

  }

  return POSIX_BOTTOM_REACHED();

}