rtems_status_code rtems_event_system_send(
rtems_id id,
rtems_event_set event_in
)
{
Thread_Control *the_thread;
RTEMS_API_Control *api;
ISR_lock_Context lock_context;
the_thread = _Thread_Get_interrupt_disable( id, &lock_context );
if ( the_thread == NULL ) {
#if defined(RTEMS_MULTIPROCESSING)
if ( _Thread_MP_Is_remote( id ) ) {
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
}
#endif
return RTEMS_INVALID_ID;
}
api = the_thread->API_Extensions[ THREAD_API_RTEMS ];
return _Event_Surrender(
the_thread,
event_in,
&api->System_event,
THREAD_WAIT_CLASS_SYSTEM_EVENT,
&lock_context
);
}
rtems_status_code rtems_task_set_scheduler(
rtems_id task_id,
rtems_id scheduler_id,
rtems_task_priority priority
)
{
const Scheduler_Control *scheduler;
Thread_Control *the_thread;
Thread_queue_Context queue_context;
ISR_lock_Context state_context;
Per_CPU_Control *cpu_self;
bool valid;
Priority_Control core_priority;
Status_Control status;
if ( !_Scheduler_Get_by_id( scheduler_id, &scheduler ) ) {
return RTEMS_INVALID_ID;
}
core_priority = _RTEMS_Priority_To_core( scheduler, priority, &valid );
if ( !valid ) {
return RTEMS_INVALID_PRIORITY;
}
_Thread_queue_Context_initialize( &queue_context );
the_thread = _Thread_Get( task_id, &queue_context.Lock_context.Lock_context );
if ( the_thread == NULL ) {
#if defined(RTEMS_MULTIPROCESSING)
if ( _Thread_MP_Is_remote( task_id ) ) {
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
}
#endif
return RTEMS_INVALID_ID;
}
cpu_self = _Thread_Dispatch_disable_critical(
&queue_context.Lock_context.Lock_context
);
_Thread_Wait_acquire_critical( the_thread, &queue_context );
_Thread_State_acquire_critical( the_thread, &state_context );
status = _Scheduler_Set( scheduler, the_thread, core_priority );
_Thread_State_release_critical( the_thread, &state_context );
_Thread_Wait_release( the_thread, &queue_context );
_Thread_Dispatch_enable( cpu_self );
return _Status_Get( status );
}
rtems_status_code rtems_task_delete(
rtems_id id
)
{
Thread_Control *the_thread;
ISR_lock_Context lock_context;
Thread_Control *executing;
Per_CPU_Control *cpu_self;
the_thread = _Thread_Get( id, &lock_context );
if ( the_thread == NULL ) {
#if defined(RTEMS_MULTIPROCESSING)
if ( _Thread_MP_Is_remote( id ) ) {
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
}
#endif
return RTEMS_INVALID_ID;
}
cpu_self = _Thread_Dispatch_disable_critical( &lock_context );
_ISR_lock_ISR_enable( &lock_context );
executing = _Per_CPU_Get_executing( cpu_self );
if ( the_thread == executing ) {
/*
* The Classic tasks are neither detached nor joinable. In case of
* self deletion, they are detached, otherwise joinable by default.
*/
_Thread_Exit(
executing,
THREAD_LIFE_TERMINATING | THREAD_LIFE_DETACHED,
NULL
);
} else {
_Thread_Close( the_thread, executing );
}
_Thread_Dispatch_enable( cpu_self );
return RTEMS_SUCCESSFUL;
}
