/*
* 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167
*/
int pthread_key_delete(
pthread_key_t key
)
{
POSIX_Keys_Control *the_key;
Objects_Locations location;
_Objects_Allocator_lock();
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_LOCAL:
_POSIX_Keys_Free_memory( the_key );
/*
* NOTE: The destructor is not called and it is the responsibility
* of the application to free the memory.
*/
_POSIX_Keys_Free( the_key );
_Objects_Put(&the_key->Object);
_Objects_Allocator_unlock();
return 0;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE: /* should never happen */
#endif
case OBJECTS_ERROR:
break;
}
_Objects_Allocator_unlock();
return EINVAL;
}
int pthread_key_create(
pthread_key_t *key,
void (*destructor)( void * )
)
{
POSIX_Keys_Control *the_key;
void *table;
uint32_t the_api;
uint32_t bytes_to_allocate;
_Thread_Disable_dispatch();
the_key = _POSIX_Keys_Allocate();
if ( !the_key ) {
_Thread_Enable_dispatch();
return EAGAIN;
}
the_key->destructor = destructor;
/*
* This is a bit more complex than one might initially expect because
* APIs are optional.
*
* NOTE: Currently RTEMS Classic API tasks are always enabled.
*/
for ( the_api = 1; the_api <= OBJECTS_APIS_LAST; the_api++ ) {
the_key->Values[ the_api ] = NULL;
#if defined(RTEMS_DEBUG)
/*
* Since the removal of ITRON, this cannot occur.
*/
if ( !_Objects_Information_table[ the_api ] )
continue;
/*
* Currently all managers are installed if the API is installed.
* This would be a horrible implementation error.
*/
if (_Objects_Information_table[ the_api ][ 1 ] == NULL )
_Internal_error_Occurred(
INTERNAL_ERROR_CORE,
true,
INTERNAL_ERROR_IMPLEMENTATION_KEY_CREATE_INCONSISTENCY
);
#endif
bytes_to_allocate = sizeof( void * ) *
(_Objects_Information_table[ the_api ][ 1 ]->maximum + 1);
table = _Workspace_Allocate( bytes_to_allocate );
if ( !table ) {
_POSIX_Keys_Free_memory( the_key );
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return ENOMEM;
}
the_key->Values[ the_api ] = table;
memset( table, '\0', bytes_to_allocate );
}
_Objects_Open_u32( &_POSIX_Keys_Information, &the_key->Object, 0 );
*key = the_key->Object.id;
_Thread_Enable_dispatch();
return 0;
}
