static bool _RTEMS_tasks_Create_extension(
Thread_Control *executing,
Thread_Control *created
)
{
RTEMS_API_Control *api;
int i;
size_t to_allocate;
/*
* Notepads must be the last entry in the structure and they
* can be left off if disabled in the configuration.
*/
to_allocate = sizeof( RTEMS_API_Control );
if ( !rtems_configuration_get_notepads_enabled() )
to_allocate -= (RTEMS_NUMBER_NOTEPADS * sizeof(uint32_t));
api = _Workspace_Allocate( to_allocate );
if ( !api )
return false;
created->API_Extensions[ THREAD_API_RTEMS ] = api;
_Event_Initialize( &api->Event );
_Event_Initialize( &api->System_event );
_ASR_Initialize( &api->Signal );
_Thread_Action_initialize( &api->Signal_action, _Signal_Action_handler );
#if !defined(RTEMS_SMP)
created->task_variables = NULL;
#endif
if ( rtems_configuration_get_notepads_enabled() ) {
for (i=0; i < RTEMS_NUMBER_NOTEPADS; i++)
api->Notepads[i] = 0;
}
return true;
}
static bool _RTEMS_tasks_Create_extension(
Thread_Control *executing,
Thread_Control *created
)
{
RTEMS_API_Control *api;
int i;
size_t to_allocate;
/*
* Notepads must be the last entry in the structure and they
* can be left off if disabled in the configuration.
*/
to_allocate = sizeof( RTEMS_API_Control );
if ( !rtems_configuration_get_notepads_enabled() )
to_allocate -= (RTEMS_NUMBER_NOTEPADS * sizeof(uint32_t));
api = _Workspace_Allocate( to_allocate );
if ( !api )
return false;
created->API_Extensions[ THREAD_API_RTEMS ] = api;
api->pending_events = EVENT_SETS_NONE_PENDING;
api->event_condition = 0;
_ASR_Initialize( &api->Signal );
created->task_variables = NULL;
if ( rtems_configuration_get_notepads_enabled() ) {
for (i=0; i < RTEMS_NUMBER_NOTEPADS; i++)
api->Notepads[i] = 0;
}
return true;
}
rtems_status_code rtems_signal_catch(
rtems_asr_entry asr_handler,
rtems_mode mode_set
)
{
Thread_Control *executing;
RTEMS_API_Control *api;
ASR_Information *asr;
ISR_lock_Context lock_context;
executing = _Thread_State_acquire_for_executing( &lock_context );
api = executing->API_Extensions[ THREAD_API_RTEMS ];
asr = &api->Signal;
if ( !_ASR_Is_null_handler( asr_handler ) ) {
asr->mode_set = mode_set;
asr->handler = asr_handler;
} else {
_ASR_Initialize( asr );
}
_Thread_State_release( executing, &lock_context );
return RTEMS_SUCCESSFUL;
}
