Mailbox* mailbox_ = nullptr;
kernel::actor::ActorImpl* sender_ = nullptr;
kernel::actor::ActorImpl* receiver_ = nullptr;
Mailbox* mailbox_ = nullptr;
kernel::actor::ActorImpl* sender_ = nullptr;
kernel::actor::ActorImpl* receiver_ = nullptr;
void (*clean_fun_)(void*) = nullptr;
void (*copy_data_function_)(kernel::activity::CommImpl*, void*, size_t) = nullptr;
void (*clean_fun_)(void*) = nullptr;
void (*copy_data_function_)(kernel::activity::CommImpl*, void*, size_t) = nullptr;