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/**
* @file
*
* @brief RTEMS Task API Extensions
* @ingroup ClassicTasks
*/
/*
* COPYRIGHT (c) 1989-2014.
* 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/config.h>
#include <rtems/sysinit.h>
#include <rtems/rtems/asrimpl.h>
#include <rtems/rtems/eventimpl.h>
#include <rtems/rtems/tasksimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/userextimpl.h>
Thread_Information _RTEMS_tasks_Information;
/*
* _RTEMS_tasks_Create_extension
*
* This routine is an extension routine that is invoked as part
* of creating any type of task or thread in the system. If the
* task is created via another API, then this routine is invoked
* and this API given the opportunity to initialize its extension
* area.
*/
static bool _RTEMS_tasks_Create_extension(
Thread_Control *executing,
Thread_Control *created
)
{
RTEMS_API_Control *api;
api = created->API_Extensions[ THREAD_API_RTEMS ];
_ASR_Create( &api->Signal );
return true;
}
/*
* _RTEMS_tasks_Start_extension
*
* This extension routine is invoked when a task is started for the
* first time.
*/
static void _RTEMS_tasks_Start_extension(
Thread_Control *executing,
Thread_Control *started
)
{
RTEMS_API_Control *api;
api = started->API_Extensions[ THREAD_API_RTEMS ];
_Event_Initialize( &api->Event );
_Event_Initialize( &api->System_event );
}
static void _RTEMS_tasks_Delete_extension(
Thread_Control *executing,
Thread_Control *deleted
)
{
RTEMS_API_Control *api;
api = deleted->API_Extensions[ THREAD_API_RTEMS ];
_ASR_Destroy( &api->Signal );
}
User_extensions_Control _RTEMS_tasks_User_extensions = {
.Callouts = {
.thread_create = _RTEMS_tasks_Create_extension,
.thread_start = _RTEMS_tasks_Start_extension,
.thread_restart = _RTEMS_tasks_Start_extension,
.thread_delete = _RTEMS_tasks_Delete_extension
}
};
static void _RTEMS_tasks_Manager_initialization(void)
{
_Thread_Initialize_information(
&_RTEMS_tasks_Information, /* object information table */
OBJECTS_CLASSIC_API, /* object API */
OBJECTS_RTEMS_TASKS, /* object class */
Configuration_RTEMS_API.maximum_tasks,
/* maximum objects of this class */
false, /* true if the name is a string */
RTEMS_MAXIMUM_NAME_LENGTH /* maximum length of an object name */
);
/*
* Add all the extensions for this API
*/
_User_extensions_Add_API_set( &_RTEMS_tasks_User_extensions );
/*
* Register the MP Process Packet routine.
*/
#if defined(RTEMS_MULTIPROCESSING)
_MPCI_Register_packet_processor(
MP_PACKET_TASKS,
_RTEMS_tasks_MP_Process_packet
);
#endif
}
RTEMS_SYSINIT_ITEM(
_RTEMS_tasks_Manager_initialization,
RTEMS_SYSINIT_CLASSIC_TASKS,
RTEMS_SYSINIT_ORDER_MIDDLE
);
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