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/**
* @file
*
* @ingroup RTEMSImplClassicTask
*
* @brief This source file contains the implementation of
* rtems_task_is_suspended().
*/
/*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/tasks.h>
#include <rtems/score/threadimpl.h>
rtems_status_code rtems_task_is_suspended( rtems_id id )
{
Thread_Control *the_thread;
ISR_lock_Context lock_context;
States_Control current_state;
the_thread = _Thread_Get( id, &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;
}
current_state = the_thread->current_state;
_ISR_lock_ISR_enable( &lock_context);
return _States_Is_suspended( current_state ) ?
RTEMS_ALREADY_SUSPENDED : RTEMS_SUCCESSFUL;
}
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