source: rtems/cpukit/rtems/src/taskident.c @ a0f29ca4

4.104.114.84.95
Last change on this file since a0f29ca4 was a0f29ca4, checked in by Joel Sherrill <joel.sherrill@…>, on Jul 14, 2004 at 2:32:06 PM

2004-07-14 Joel Sherrill <joel@…>

PR 651/core

  • rtems/src/taskident.c: Add NULL check for id.
  • Property mode set to 100644
File size: 1.6 KB
Line 
1/*
2 *  RTEMS Task Manager
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.rtems.com/license/LICENSE.
11 *
12 *  $Id$
13 */
14
15#include <rtems/system.h>
16#include <rtems/rtems/status.h>
17#include <rtems/rtems/support.h>
18#include <rtems/rtems/modes.h>
19#include <rtems/score/object.h>
20#include <rtems/score/stack.h>
21#include <rtems/score/states.h>
22#include <rtems/rtems/tasks.h>
23#include <rtems/score/thread.h>
24#include <rtems/score/threadq.h>
25#include <rtems/score/tod.h>
26#include <rtems/score/userext.h>
27#include <rtems/score/wkspace.h>
28#include <rtems/score/apiext.h>
29#include <rtems/score/sysstate.h>
30
31/*PAGE
32 *
33 *  rtems_task_ident
34 *
35 *  This directive returns the system ID associated with
36 *  the thread name.
37 *
38 *  Input parameters:
39 *    name - user defined thread name
40 *    node - node(s) to be searched
41 *    id   - pointer to thread id
42 *
43 *  Output parameters:
44 *    *id               - thread id
45 *    RTEMS_SUCCESSFUL - if successful
46 *    error code        - if unsuccessful
47 */
48
49rtems_status_code rtems_task_ident(
50  rtems_name    name,
51  uint32_t      node,
52  Objects_Id   *id
53)
54{
55  Objects_Name_or_id_lookup_errors  status;
56
57  if ( !id )
58    return RTEMS_INVALID_ADDRESS;
59
60  if ( name == OBJECTS_ID_OF_SELF ) {
61    *id = _Thread_Executing->Object.id;
62    return RTEMS_SUCCESSFUL;
63   }
64
65  status = _Objects_Name_to_id(
66    &_RTEMS_tasks_Information,
67    (Objects_Name) name,
68    node,
69    id
70  );
71
72  return _Status_Object_name_errors_to_status[ status ];
73}
Note: See TracBrowser for help on using the repository browser.