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/**
* @file
*
* @brief RTEMS Task Wake After
* @ingroup ClassicTasks
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/tasks.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/schedulerimpl.h>
#include <rtems/score/watchdogimpl.h>
rtems_status_code rtems_task_wake_after(
rtems_interval ticks
)
{
/*
* It is critical to obtain the executing thread after thread dispatching is
* disabled on SMP configurations.
*/
Thread_Control *executing;
_Thread_Disable_dispatch();
executing = _Thread_Executing;
if ( ticks == 0 ) {
_Scheduler_Yield( _Scheduler_Get( executing ), executing );
} else {
_Thread_Set_state( executing, STATES_DELAYING );
_Watchdog_Initialize(
&executing->Timer,
_Thread_Delay_ended,
executing->Object.id,
NULL
);
_Watchdog_Insert_ticks( &executing->Timer, ticks );
}
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
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