[RTEMS Project] #4680: POSIX tasks cancelled through rtems_task_delete() should have an exit value of PTHREAD_CANCELED

[RTEMS trac]

#4680: POSIX tasks cancelled through rtems_task_delete() should have an exit value
of PTHREAD_CANCELED
------------------------------+-----------------------------
  Reporter:  Sebastian Huber  |      Owner:  Sebastian Huber
      Type:  enhancement      |     Status:  assigned
  Priority:  normal           |  Milestone:  6.1
 Component:  posix            |    Version:  6
  Severity:  normal           |   Keywords:
Blocked By:                   |   Blocking:
------------------------------+-----------------------------
 The `rtems_task_delete()` directive is basically just a combined
 `pthread_cancel()` and `pthread_join()`. In addition, it removes the
 `PTHREAD_DETACHED` state. The exit value returned by `pthread_join()` of
 threads cancelled by `rtems_task_delete()` should reflect this by getting
 a PTHREAD_CANCELED value and not NULL.

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Ticket URL: <http://devel.rtems.org/ticket/4680>
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