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_event_send(
rtems_id id,
rtems_event_set event_in
)
{
rtems_status_code sc;
Thread_Control *thread;
Objects_Locations location;
RTEMS_API_Control *api;
ISR_lock_Context lock_context;
thread = _Thread_Get_interrupt_disable( id, &location, &lock_context );
switch ( location ) {
case OBJECTS_LOCAL:
api = thread->API_Extensions[ THREAD_API_RTEMS ];
_Event_Surrender(
thread,
event_in,
&api->Event,
THREAD_WAIT_CLASS_EVENT,
&lock_context
);
_Objects_Put_for_get_isr_disable( &thread->Object );
sc = RTEMS_SUCCESSFUL;
break;
#ifdef RTEMS_MULTIPROCESSING
case OBJECTS_REMOTE:
sc = _Event_MP_Send_request_packet(
EVENT_MP_SEND_REQUEST,
id,
event_in
);
break;
#endif
default:
sc = RTEMS_INVALID_ID;
break;
}
return sc;
}
int pthread_setschedparam(
pthread_t thread,
int policy,
struct sched_param *param
)
{
Thread_Control *the_thread;
Per_CPU_Control *cpu_self;
POSIX_API_Control *api;
Thread_CPU_budget_algorithms budget_algorithm;
Thread_CPU_budget_algorithm_callout budget_callout;
int eno;
Priority_Control unused;
ISR_lock_Context lock_context;
Priority_Control new_priority;
/*
* Check all the parameters
*/
if ( param == NULL ) {
return EINVAL;
}
eno = _POSIX_Thread_Translate_sched_param(
policy,
param,
&budget_algorithm,
&budget_callout
);
if ( eno != 0 ) {
return eno;
}
the_thread = _Thread_Get_interrupt_disable( thread, &lock_context );
if ( the_thread == NULL ) {
return ESRCH;
}
/*
* Actually change the scheduling policy and parameters
*/
cpu_self = _Thread_Dispatch_disable_critical( &lock_context );
_Thread_State_acquire_critical( the_thread, &lock_context );
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
if ( api->schedpolicy == SCHED_SPORADIC ) {
_Watchdog_Per_CPU_remove_relative( &api->Sporadic_timer );
}
api->schedpolicy = policy;
api->schedparam = *param;
api->Attributes.schedpolicy = policy;
api->Attributes.schedparam = *param;
the_thread->budget_algorithm = budget_algorithm;
the_thread->budget_callout = budget_callout;
switch ( policy ) {
case SCHED_OTHER:
case SCHED_FIFO:
case SCHED_RR:
the_thread->cpu_time_budget =
rtems_configuration_get_ticks_per_timeslice();
new_priority = _POSIX_Priority_To_core( api->schedparam.sched_priority );
break;
case SCHED_SPORADIC:
api->ss_high_priority = api->schedparam.sched_priority;
break;
}
_Thread_State_release( the_thread, &lock_context );
switch ( policy ) {
case SCHED_OTHER:
case SCHED_FIFO:
case SCHED_RR:
_Thread_Set_priority( the_thread, new_priority, &unused, true );
break;
case SCHED_SPORADIC:
_POSIX_Threads_Sporadic_budget_TSR( &api->Sporadic_timer );
break;
}
_Thread_Dispatch_enable( cpu_self );
return 0;
}
