Function cancel

fdbclient/MultiVersionTransaction.actor.cpp:3112–3122

}

THREAD_FUNC cancel(void* arg) {
	threadSleep(0.1 * deterministicRandom()->random01());
	try {
		((ThreadSingleAssignmentVar<int>*)arg)->addref();
		destroy(arg);
	} catch (Error& e) {
		printf("Caught error in cancel: %s\n", e.name());
		ASSERT(false);
	}
	THREAD_RETURN;
}

ACTOR Future<Void> checkUndestroyedFutures(std::vector<ThreadSingleAssignmentVar<int>*> undestroyed) {
	state int fNum;