tdb2: check PID if we are holding a lock.
[ccan] / ccan / tally / tally.h
2010-09-25 Rusty Russelltally: simplify, add Y axis to graph.
2010-09-24 Rusty Russelltally: implement tally_total()
2010-09-23 Rusty Russelltally: new module for tallying numbers.