Function spawn_execattrs

sched/task/task_spawnparms.c:146–238

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

int spawn_execattrs(pid_t pid, FAR const posix_spawnattr_t *attr)
{
  struct sched_param param;
  int ret = OK;

  DEBUGASSERT(attr);

  /* Now set the attributes.  Note that we ignore all of the return values
   * here because we have already successfully started the task.  If we
   * return an error value, then we would also have to stop the task.
   */

  /* Firstly, set the signal mask if requested to do so */

#ifndef CONFIG_DISABLE_ALL_SIGNALS
  if ((attr->flags & POSIX_SPAWN_SETSIGMASK) != 0u)
    {
      FAR struct tcb_s *tcb = nxsched_get_tcb(pid);
      if (tcb)
        {
          tcb->sigprocmask = attr->sigmask;
        }
    }
#endif

  /* If we are only setting the priority, then call sched_setparm()
   * to set the priority of the of the new task.
   */

  if ((attr->flags & POSIX_SPAWN_SETSCHEDPARAM) != 0u)
    {
#ifdef CONFIG_SCHED_SPORADIC
      /* Get the current sporadic scheduling parameters.  Those will not be
       * modified.
       */

      ret = nxsched_get_param(pid, &param);
#endif

      if (ret == OK)
        {
          /* Get the priority from the attributes */

          param.sched_priority = attr->priority;

          /* If we are setting *both* the priority and the scheduler,
           * then we will call nxsched_set_scheduler() below.
           */

          if ((attr->flags & POSIX_SPAWN_SETSCHEDULER) == 0u)
            {
              sinfo("Setting priority=%d for pid=%d\n",
                    param.sched_priority, pid);

              ret = nxsched_set_param(pid, &param);
            }
        }
    }