-s4u::Mailbox *s4u::Mailbox::byName(const char*name) {
- s4u::Mailbox *res;
- try {
- res = mailboxes->at(name);
- } catch (std::out_of_range& e) {
- // FIXME: there is a potential race condition here where two actors run Mailbox::byName on a non-existent mailbox
- // during the same scheduling round. Both will be interrupted in the simcall creating the underlying simix mbox.
- // Only one simix object will be created, but two S4U objects will be created.
- // Only one S4U object will be stored in the hashmap and used, and the other one will be leaked.
- new Mailbox(name,simcall_mbox_create(name));
- res = mailboxes->at(name); // Use the stored one, even if it's not the one I created myself.
- }
+
+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();
+}
+
+CommPtr Mailbox::put_init()
+{
+ CommPtr res = CommPtr(new s4u::Comm());
+ res->sender_ = SIMIX_process_self();
+ res->mailbox_ = this;