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/*

 *  keygetspecific.c,v 1.2 2001/01/24 14:17:28 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

 *

 *  17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165

 */

void *pthread_getspecific(

  pthread_key_t  key

)

{

  register POSIX_Keys_Control *the_key;

  unsigned32                   index;

  unsigned32                   class;

  Objects_Locations            location;

  void                        *key_data;

  the_key = _POSIX_Keys_Get( key, &location );

  switch ( location ) {

    case OBJECTS_ERROR:

    case OBJECTS_REMOTE:   /* should never happen */

      return NULL;

    case OBJECTS_LOCAL:

      index = _Objects_Get_index( _Thread_Executing->Object.id );

      class = _Objects_Get_class( _Thread_Executing->Object.id );

      key_data = (void *) the_key->Values[ class ][ index ];

      _Thread_Enable_dispatch();

      return key_data;

  }

  return (void *) POSIX_BOTTOM_REACHED();

}