rtems_status_code rtems_partition_delete(
rtems_id id
)
{
register Partition_Control *the_partition;
Objects_Locations location;
the_partition = _Partition_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( the_partition->number_of_used_blocks == 0 ) {
_Objects_Close( &_Partition_Information, &the_partition->Object );
_Partition_Free( the_partition );
#if defined(RTEMS_MULTIPROCESSING)
if ( _Attributes_Is_global( the_partition->attribute_set ) ) {
_Objects_MP_Close(
&_Partition_Information,
the_partition->Object.id
);
_Partition_MP_Send_process_packet(
PARTITION_MP_ANNOUNCE_DELETE,
the_partition->Object.id,
0, /* Not used */
0 /* Not used */
);
}
#endif
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
_Thread_Enable_dispatch();
return RTEMS_RESOURCE_IN_USE;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Dispatch();
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
rtems_status_code rtems_partition_get_buffer(
rtems_id id,
void **buffer
)
{
register Partition_Control *the_partition;
Objects_Locations location;
void *the_buffer;
if ( !buffer )
return RTEMS_INVALID_ADDRESS;
the_partition = _Partition_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
the_buffer = _Partition_Allocate_buffer( the_partition );
if ( the_buffer ) {
the_partition->number_of_used_blocks += 1;
_Thread_Enable_dispatch();
*buffer = the_buffer;
return RTEMS_SUCCESSFUL;
}
_Thread_Enable_dispatch();
return RTEMS_UNSATISFIED;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Executing->Wait.return_argument = buffer;
return(
_Partition_MP_Send_request_packet(
PARTITION_MP_GET_BUFFER_REQUEST,
id,
0 /* Not used */
)
);
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
rtems_status_code rtems_partition_return_buffer(
rtems_id id,
void *buffer
)
{
register Partition_Control *the_partition;
Objects_Locations location;
the_partition = _Partition_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) {
_Partition_Free_buffer( the_partition, buffer );
the_partition->number_of_used_blocks -= 1;
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
_Thread_Enable_dispatch();
return RTEMS_INVALID_ADDRESS;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
return _Partition_MP_Send_request_packet(
PARTITION_MP_RETURN_BUFFER_REQUEST,
id,
buffer
);
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
