- ssize_t changed_pos = kernel::actor::simcall_blocking(
- [&observer] { kernel::activity::ActivityImpl::test_any(observer.get_issuer(), observer.get_activities()); },
+ ssize_t changed_pos = kernel::actor::simcall(
+ [&observer] {
+ return kernel::activity::ActivityImpl::test_any(observer.get_issuer(), observer.get_activities());
+ },