#  testsuites/psxtests/psx08/psx08.doc
#  COPYRIGHT (c) 1989-2009.
#  On-Line Applications Research Corporation (OAR). 
#  Copyright (c) 2013 Steven Kou <kou.yongkang@dhs.sg>
#
#  The license and distribution terms for this file may be
#  found in the file LICENSE in this distribution or at
#  http://www.rtems.com/license/LICENSE.
#
This file describes the directives and concepts tested by this test set.

test set name: psx09

directives:
+ pthread_getschedparam
+ pthread_setschedparam
+ pthread_mutex_lock

concepts:
+ get the priority of the current thread
+ adjusts the priority of the thread 5 times between high and medium priority
+ creates a mutex with priority ceiling and locks it to the thread
+ thread priority no longer gets adjusted after obtaining mutex
+ thread priority gets locked at the ceiling level
+ unlocks mutex and thread priority is set to low priority successfully