[PATCH] Fix a pthreadpool race

[Volker Lendecke]

On Tue, Dec 12, 2017 at 01:40:29PM +0100, Volker Lendecke wrote:
> On Tue, Dec 12, 2017 at 06:57:22AM +1300, Gary Lockyer wrote:
> > Stack trace with symbols attached.
> 
> Thanks. This is pretty easy to reproduce in the new cmocka test by
> Christof Schmitt. Just run
> 
> while : ; do valgrind --tool=helgrind --num-callers=50 bin/pthreadpooltest_cmocka; done
> 
> and wait a few seconds. I'm getting

Just got

failure: test_create [
No entries for symbol __wrap_pthread_create.
../lib/pthreadpool/tests_cmocka.c:75: error: Could not get value to mock function __wrap_pthread_create
../lib/pthreadpool/tests_cmocka.c:150: note: Previously returned mock value was declared here
]

in one of a few hundred runs. Andreas, can you imagine what that might
be?

Thanks,

Volker

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