Function sched_note_start

drivers/note/note_driver.c:640–699

 ****************************************************************************/

void sched_note_start(FAR struct tcb_s *tcb)
{
  struct note_startalloc_s note;
  unsigned int length;
  FAR struct note_driver_s **driver;
  bool formatted = false;

#if CONFIG_TASK_NAME_SIZE > 0
  int namelen = 0;
#endif

  for (driver = g_note_drivers; *driver; driver++)
    {
      if (!note_isenabled(*driver))
        {
          continue;
        }

      if (note_start(*driver, tcb))
        {
          continue;
        }

      if ((*driver)->ops->add == NULL)
        {
          continue;
        }

      if (!formatted)
        {
          formatted = true;

          /* Copy the task name (if possible) and
           * get the length of the note
           */

#if CONFIG_TASK_NAME_SIZE > 0
          if (tcb->name[0] != '\0')
            {
              namelen = strlen(tcb->name);
            }

          DEBUGASSERT(namelen <= CONFIG_TASK_NAME_SIZE);
          strlcpy(note.nsa_name, tcb->name, sizeof(note.nsa_name));

          length = SIZEOF_NOTE_START(namelen + 1);
#else
          length = SIZEOF_NOTE_START(0);
#endif

          /* Finish formatting the note */

          note_common(tcb, &note.nsa_cmn, length, NOTE_START);
        }

      /* Add the note to circular buffer */

      note_add(*driver, &note, length);