Pool() now raises NotImplementedError if soft_timeout set on platform without SIGUSR1
Pool() now raises NotImplementedError if soft_timeout set on platform without SIGUSR1

flaviogrossi/billiard,pombredanne/billiard,djsmith42/billiard,flaviogrossi/billiard,jakirkham/billiard,andresriancho/billiard,jakirkham/billiard,andresriancho/billiard,pombredanne/billiard,djsmith42/billiard