bool _Thread_Restart(
Thread_Control *the_thread,
void *pointer_argument,
Thread_Entry_numeric_type numeric_argument
)
{
if ( !_States_Is_dormant( the_thread->current_state ) ) {
_Thread_Set_transient( the_thread );
_Thread_Reset( the_thread, pointer_argument, numeric_argument );
_Thread_Load_environment( the_thread );
_Thread_Ready( the_thread );
_User_extensions_Thread_restart( the_thread );
if ( _Thread_Is_executing ( the_thread ) )
_Thread_Restart_self();
return true;
}
return false;
}
bool _Thread_Start(
Thread_Control *the_thread,
Thread_Start_types the_prototype,
void *entry_point,
void *pointer_argument,
Thread_Entry_numeric_type numeric_argument
)
{
if ( _States_Is_dormant( the_thread->current_state ) ) {
the_thread->Start.entry_point = (Thread_Entry) entry_point;
the_thread->Start.prototype = the_prototype;
the_thread->Start.pointer_argument = pointer_argument;
the_thread->Start.numeric_argument = numeric_argument;
_Thread_Load_environment( the_thread );
_Thread_Ready( the_thread );
_User_extensions_Thread_start( the_thread );
return true;
}
return false;
}
static void thread_ready( Thread_Control *thread )
{
#if defined( PREVENT_SMP_ASSERT_FAILURES )
_Thread_Disable_dispatch();
#endif
_Thread_Ready( thread );
#if defined( PREVENT_SMP_ASSERT_FAILURES )
_Thread_Unnest_dispatch();
#endif
}
static void _Thread_Start_life_change(
Thread_Control *the_thread,
const Scheduler_Control *scheduler,
Priority_Control priority
)
{
the_thread->is_preemptible = the_thread->Start.is_preemptible;
the_thread->budget_algorithm = the_thread->Start.budget_algorithm;
the_thread->budget_callout = the_thread->Start.budget_callout;
the_thread->real_priority = priority;
_Thread_Set_state( the_thread, STATES_RESTARTING );
_Thread_queue_Extract_with_proxy( the_thread );
_Watchdog_Remove( &the_thread->Timer );
_Scheduler_Set_priority_if_higher( scheduler, the_thread, priority );
_Thread_Add_post_switch_action( the_thread, &the_thread->Life.Action );
_Thread_Ready( the_thread );
_Thread_Request_dispatch_if_executing( the_thread );
}
static void _Thread_Start_life_change(
Thread_Control *the_thread,
const Scheduler_Control *scheduler,
Priority_Control priority
)
{
the_thread->is_preemptible = the_thread->Start.is_preemptible;
the_thread->budget_algorithm = the_thread->Start.budget_algorithm;
the_thread->budget_callout = the_thread->Start.budget_callout;
_Thread_Set_state( the_thread, STATES_RESTARTING );
_Thread_queue_Extract_with_proxy( the_thread );
_Watchdog_Remove_ticks( &the_thread->Timer );
_Thread_Change_priority(
the_thread,
priority,
NULL,
_Thread_Raise_real_priority_filter,
false
);
_Thread_Add_life_change_action( the_thread );
_Thread_Ready( the_thread );
}
void complete_test( void )
{
uint32_t index;
rtems_id task_id;
benchmark_timer_initialize();
_Thread_Resume( Middle_tcb, true );
thread_resume_time = benchmark_timer_read();
_Thread_Set_state( Middle_tcb, STATES_WAITING_FOR_MESSAGE );
benchmark_timer_initialize();
_Thread_Unblock( Middle_tcb );
thread_unblock_time = benchmark_timer_read();
_Thread_Set_state( Middle_tcb, STATES_WAITING_FOR_MESSAGE );
benchmark_timer_initialize();
_Thread_Ready( Middle_tcb );
thread_ready_time = benchmark_timer_read();
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) benchmark_timer_empty_function();
overhead = benchmark_timer_read();
task_id = Middle_tcb->Object.id;
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) _Thread_Get( task_id, &location );
thread_get_time = benchmark_timer_read();
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) _Semaphore_Get( Semaphore_id, &location );
semaphore_get_time = benchmark_timer_read();
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) _Thread_Get( 0x3, &location );
thread_get_invalid_time = benchmark_timer_read();
/*
* This is the running task and we have tricked RTEMS out enough where
* we need to set some internal tracking information to match this.
*/
_Thread_Heir = _Thread_Executing;
_Context_Switch_necessary = false;
_Thread_Dispatch_disable_level = 0;
/*
* Now dump all the times
*/
put_time(
"_ISR_Disable",
isr_disable_time,
1,
0,
0
);
put_time(
"_ISR_Flash",
isr_flash_time,
1,
0,
0
);
put_time(
"_ISR_Enable",
isr_enable_time,
1,
0,
0
);
put_time(
"_Thread_Disable_dispatch",
thread_disable_dispatch_time,
1,
0,
0
);
put_time(
"_Thread_Enable_dispatch",
thread_enable_dispatch_time,
1,
0,
0
);
put_time(
"_Thread_Set_state",
thread_set_state_time,
1,
0,
0
);
put_time(
"_Thread_Dispatch (NO FP)",
thread_dispatch_no_fp_time,
1,
0,
0
);
put_time(
"context switch: no floating point contexts",
context_switch_no_fp_time,
1,
0,
0
);
put_time(
"context switch: self",
context_switch_self_time,
1,
0,
0
);
put_time(
"context switch: to another task",
context_switch_another_task_time,
1,
0,
0
);
#if (CPU_HARDWARE_FP == 1) || (CPU_SOFTWARE_FP == 1)
put_time(
"fp context switch: restore 1st FP task",
context_switch_restore_1st_fp_time,
1,
0,
0
);
put_time(
"fp context switch: save idle, restore initialized",
context_switch_save_idle_restore_initted_time,
1,
0,
0
);
put_time(
"fp context switch: save idle, restore idle",
context_switch_save_restore_idle_time,
1,
0,
0
);
put_time(
"fp context switch: save initialized, restore initialized",
context_switch_save_restore_initted_time,
1,
0,
0
);
#else
puts( "fp context switch: restore 1st FP task - NA" );
puts( "fp context switch: save idle, restore initialized - NA" );
puts( "fp context switch: save idle, restore idle - NA" );
puts( "fp context switch: save initialized, restore initialized - NA" );
#endif
put_time(
"_Thread_Resume",
thread_resume_time,
1,
0,
0
);
put_time(
"_Thread_Unblock",
thread_unblock_time,
1,
0,
0
);
put_time(
"_Thread_Ready",
thread_ready_time,
1,
0,
0
);
put_time(
"_Thread_Get",
thread_get_time,
OPERATION_COUNT,
0,
0
);
put_time(
"_Semaphore_Get",
semaphore_get_time,
OPERATION_COUNT,
0,
0
);
put_time(
"_Thread_Get: invalid id",
thread_get_invalid_time,
OPERATION_COUNT,
0,
0
);
puts( "*** END OF TEST 26 ***" );
rtems_test_exit( 0 );
}