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/*
* $Id$
*/
#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
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*/
int pthread_key_create(
pthread_key_t *key,
void (*destructor)( void * )
)
{
POSIX_Keys_Control *the_key;
void *table;
unsigned32 the_class;
unsigned32 bytes_to_allocate;
_Thread_Disable_dispatch();
the_key = _POSIX_Keys_Allocate();
if ( !the_key ) {
_Thread_Enable_dispatch();
return EAGAIN;
}
the_key->destructor = destructor;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ ) {
bytes_to_allocate =
(_Objects_Information_table[ the_class ]->maximum + 1) * sizeof( void * );
table = _Workspace_Allocate( bytes_to_allocate );
if ( !table ) {
for ( --the_class;
the_class >= OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class-- )
_Workspace_Free( the_key->Values[ the_class ] );
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return ENOMEM;
}
the_key->Values[ the_class ] = table;
memset( table, '\0', bytes_to_allocate );
}
the_key->is_active = TRUE;
_Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 );
*key = the_key->Object.id;
_Thread_Enable_dispatch();
return 0;
}
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