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/*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <itron.h>
#include <rtems/score/thread.h>
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/apiext.h>
#include <rtems/score/sysstate.h>
#include <rtems/itron/task.h>
/*
* sta_tsk - Start Task
*/
/*
* XXX - How Do I know when these happen ???
E_NOEXS Object does not exist (the task specified by tskid does not exist)
E_OACV Object access violation (A tskid less than -4 was specified from
a user task. This is implementation dependent.)
E_OBJ Invalid object state (the target task is not in DORMANT state)
EN_OBJNO An object number which could not be accessed on the target node
is specified. XXX Should never get on a single processor??
EN_CTXID Specified an object on another node when the system call was
issued from a task in dispatch disabled state or from a task-
independent portionXXX Should never get on a single processor??
EN_PAR A value outside the range supported by the target node and/or
transmission packet format was specified as a parameter (a value
outside supported range was specified for stacd)
XXX- What does _ITRON_Task_Get return on an invalid id and how do you know
if it is E_ID, E_NOEXS, E_OACV
*/
ER sta_tsk(
ID tskid,
INT stacd
)
{
register Thread_Control *the_thread;
Objects_Locations location;
boolean status;
the_thread = _ITRON_Task_Get( tskid, &location );
switch ( location ) {
case OBJECTS_REMOTE:
case OBJECTS_ERROR:
return E_ID; /* XXX */
case OBJECTS_LOCAL:
status = _Thread_Start(
the_thread,
THREAD_START_NUMERIC, /* XXX should be able to say we have no arg */
the_thread->Start.entry_point,
0, /* XXX supercore forces us to have an arg */
0 /* unused */
);
/*
* Wrong state XXX
*/
if ( !status ) {
_Thread_Enable_dispatch();
return E_OBJ;
}
_Thread_Enable_dispatch();
return E_OK;
}
return E_OBJ; /* unreached - only to remove warnings */
}
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