This file describes the directives and concepts tested by this test set. test set name: psxclockrealtime01 directives: - pthread_mutex_timedlock() - pthread_cond_timedwait() - pthread_rwlock_timedrdlock() - pthread_rwlock_timedwrlock() - sem_timedwait() - mq_timedsend() - mq_timedreceive() - clock_nanosleep() concepts: - Test some invalid and extreme timeout values. - Ensure that absolute CLOCK_REALTIME timeouts expire due to external clock changes.