+namespace simgrid {
+namespace s4u {
+
+const simgrid::xbt::string& Mailbox::getName() const
+{
+ return pimpl_->getName();
+}
+
+const char* Mailbox::getCname() const
+{
+ return pimpl_->getCname();
+}
+
+MailboxPtr Mailbox::byName(const char*name)
+{
+ kernel::activity::MailboxImpl* mbox = kernel::activity::MailboxImpl::byNameOrNull(name);
+ if (mbox == nullptr) {
+ mbox = simix::kernelImmediate([name] {
+ return kernel::activity::MailboxImpl::byNameOrCreate(name);
+ });
+ }
+ return MailboxPtr(&mbox->piface_, true);
+}
+
+MailboxPtr Mailbox::byName(std::string name)
+{
+ return byName(name.c_str());
+}
+
+bool Mailbox::empty()
+{
+ return pimpl_->comm_queue.empty();
+}
+
+bool Mailbox::listen()
+{
+ return not this->empty() || (pimpl_->permanent_receiver && not pimpl_->done_comm_queue.empty());
+}
+
+smx_activity_t Mailbox::front()
+{
+ return pimpl_->comm_queue.empty() ? nullptr : pimpl_->comm_queue.front();
+}
+
+void Mailbox::setReceiver(ActorPtr actor) {
+ simix::kernelImmediate([this, actor]() { this->pimpl_->setReceiver(actor); });
+}
+
+/** @brief get the receiver (process associated to the mailbox) */
+ActorPtr Mailbox::getReceiver()
+{
+ if (pimpl_->permanent_receiver == nullptr)
+ return ActorPtr();
+ return pimpl_->permanent_receiver->iface();
+}