This document defines the coverage for the pthread_cond_timedwait function:

Assertion	Tested?
1		YES
2		YES *2-2 and 2-3 seem to pass but hang on nptl 0.36
3		YES
4		YES * When it specifies it 'may' fail and not 'shall' fail,
		      it will always return PASS, but will return a
		      PASS and print out a warning if it fails.
		    * Tested EINVAL when abs time spec is invalid
		    * Tested EINTR
NOTE:
