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/**
* @file
*
* @brief RTEMS Delete Task
* @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/rtems/tasksimpl.h>
#include <rtems/score/threadimpl.h>
rtems_status_code rtems_task_delete(
rtems_id id
)
{
Thread_Control *the_thread;
Thread_Close_context context;
Thread_Control *executing;
_Thread_queue_Context_initialize( &context.Base );
the_thread = _Thread_Get( id, &context.Base.Lock_context.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;
}
executing = _Thread_Executing;
if ( the_thread == executing ) {
Per_CPU_Control *cpu_self;
cpu_self = _Thread_Dispatch_disable_critical(
&context.Base.Lock_context.Lock_context
);
_ISR_lock_ISR_enable( &context.Base.Lock_context.Lock_context );
/*
* The Classic tasks are neither detached nor joinable. In case of
* self deletion, they are detached, otherwise joinable by default.
*/
_Thread_Exit(
executing,
THREAD_LIFE_TERMINATING | THREAD_LIFE_DETACHED,
NULL
);
_Thread_Dispatch_enable( cpu_self );
} else {
_Thread_Close( the_thread, executing, &context );
}
return RTEMS_SUCCESSFUL;
}
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