source: rtems/cpukit/rtems/src/taskresume.c @ 66cb142

Last change on this file since 66cb142 was e266d13, checked in by Sebastian Huber <sebastian.huber@…>, on May 20, 2016 at 1:10:27 PM

Replace *_Get_interrupt_disable() with *_Get()

Uniformly use *_Get() to get an object by identifier with a lock
context.

  • Property mode set to 100644
File size: 1.1 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief RTEMS Resume Task
5 *  @ingroup ClassicTasks
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2014.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <rtems/rtems/tasksimpl.h>
22#include <rtems/score/threadimpl.h>
23
24rtems_status_code rtems_task_resume(
25  rtems_id id
26)
27{
28  Thread_Control   *the_thread;
29  ISR_lock_Context  lock_context;
30  Per_CPU_Control  *cpu_self;
31  States_Control    previous_state;
32
33  the_thread = _Thread_Get( id, &lock_context );
34
35  if ( the_thread == NULL ) {
36#if defined(RTEMS_MULTIPROCESSING)
37    return _RTEMS_tasks_MP_Resume( id );
38#else
39    return RTEMS_INVALID_ID;
40#endif
41  }
42
43  cpu_self = _Thread_Dispatch_disable_critical( &lock_context );
44  _ISR_lock_ISR_enable( &lock_context );
45
46  previous_state = _Thread_Clear_state( the_thread, STATES_SUSPENDED );
47
48  _Thread_Dispatch_enable( cpu_self );
49  return _States_Is_suspended( previous_state ) ?
50    RTEMS_SUCCESSFUL : RTEMS_INCORRECT_STATE;
51}
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