Add informal correctness argument for the logic in
evh__HG_PTHREAD_BARRIER_WAIT_PRE, as it is somewhat subtle.

Also, free the SO after use, else there's a space leak.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8786 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed