1 prereq: test -e annotate_barrier && ./supported_libpthread 2 vgopts: --read-var-info=yes --check-stack-var=yes --show-confl-seg=no --num-callers=3 --xml=yes --xml-fd=2 3 prog: annotate_barrier 2 1 1 4 stderr_filter: filter_annotate_barrier_xml 5
