CVS log for src/tests/lib/libpthread/t_cond.c

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Adjust cond_timedwait_race to take account of spurious wakeups (which are
completely legit).

GSoC 2016 Charles Cui: Implement thread priority protection based on work
by Andy Doran. Also document the get/set pshared thread calls as not
implemented, and add a skeleton implementation that is disabled.
XXX: document _sched_protect(2).

Pull up following revision(s) (requested by gson in ticket #346):
	tests/lib/libpthread/t_cond.c: revision 1.6
The cond_timedwait_race test case is no longer expected to fail; it
has been consistently passing since CVS date 2014.01.31.19.22.00.
See also PR lib/44756.

The cond_timedwait_race test case is no longer expected to fail; it
has been consistently passing since CVS date 2014.01.31.19.22.00.
See also PR lib/44756.

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

fix unused variable warnings

resync from head

Try to trigger the cond_timedwait_race race several times.

Sometime this tests passes (after all, it's exercising a race condition) and
when it does it's reported as a failure.  By giving the test a few chances
to expose the problem, we prevent this noisy signal.  When the race is really
addressed, this will start failing consistently as expected.

Add a test case for pthread_cond_timedwait(3) failures reported by
Sad Clouds in PR lib/44756. This was discussed also in:

	http://mail-index.netbsd.org/tech-userlevel/2011/03/17/msg004689.html

add Makefile.inc everywhere so that we can set WARNS=4 by default. Amazing
how many bugs this found :-)

Convert the libpthread tests to atf.
Initial work from the GSoC 2008 project by Lukasz Strzygowski.

I think that this, together with the previous conversion of librt, obsoletes
the tests in the semaphore/ directory.  Will investigate later.