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/**
* @file
*
* @brief RTEMS Delete Task Variable
* @ingroup ClassicTasks
*/
/*
* COPYRIGHT (c) 1989-2007.
* 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>
#include <rtems/score/wkspace.h>
#include <rtems/config.h>
rtems_status_code rtems_task_variable_delete(
rtems_id tid,
void **ptr
)
{
Thread_Control *the_thread;
Objects_Locations location;
rtems_task_variable_t *tvp, *prev;
#if defined( RTEMS_SMP )
if ( rtems_configuration_is_smp_enabled() ) {
return RTEMS_NOT_IMPLEMENTED;
}
#endif
if ( !ptr )
return RTEMS_INVALID_ADDRESS;
prev = NULL;
the_thread = _Thread_Get (tid, &location);
switch (location) {
case OBJECTS_LOCAL:
tvp = the_thread->task_variables;
while (tvp) {
if (tvp->ptr == ptr) {
if (prev)
prev->next = tvp->next;
else
the_thread->task_variables = (rtems_task_variable_t *)tvp->next;
_RTEMS_Tasks_Invoke_task_variable_dtor( the_thread, tvp );
_Objects_Put( &the_thread->Object );
return RTEMS_SUCCESSFUL;
}
prev = tvp;
tvp = (rtems_task_variable_t *)tvp->next;
}
_Objects_Put( &the_thread->Object );
return RTEMS_INVALID_ADDRESS;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Dispatch();
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
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