1 /* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/kernel/activity/MailboxImpl.hpp"
7 #include "src/kernel/activity/CommImpl.hpp"
9 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_mailbox, simix, "Mailbox implementation");
11 static std::map<std::string, smx_mailbox_t>* mailboxes = new std::map<std::string, smx_mailbox_t>;
13 void SIMIX_mailbox_exit()
15 for (auto const& elm : *mailboxes)
20 /******************************************************************************/
21 /* Rendez-Vous Points */
22 /******************************************************************************/
27 /** @brief Returns the mailbox of that name, or nullptr */
28 MailboxImpl* MailboxImpl::by_name_or_null(std::string name)
30 auto mbox = mailboxes->find(name);
31 if (mbox != mailboxes->end())
36 /** @brief Returns the mailbox of that name, newly created on need */
37 MailboxImpl* MailboxImpl::by_name_or_create(std::string name)
39 /* two processes may have pushed the same mbox_create simcall at the same time */
40 auto m = mailboxes->find(name);
41 if (m == mailboxes->end()) {
42 smx_mailbox_t mbox = new MailboxImpl(name);
43 XBT_DEBUG("Creating a mailbox at %p with name %s", mbox, name.c_str());
44 (*mailboxes)[mbox->name_] = mbox;
49 /** @brief set the receiver of the mailbox to allow eager sends
50 * @param actor The receiving dude
52 void MailboxImpl::set_receiver(s4u::ActorPtr actor)
55 this->permanent_receiver_ = actor->get_impl();
57 this->permanent_receiver_ = nullptr;
59 /** @brief Pushes a communication activity into a mailbox
60 * @param comm What to add
62 void MailboxImpl::push(activity::CommImplPtr comm)
65 this->comm_queue_.push_back(std::move(comm));
68 /** @brief Removes a communication activity from a mailbox
69 * @param activity What to remove
71 void MailboxImpl::remove(smx_activity_t activity)
73 simgrid::kernel::activity::CommImplPtr comm =
74 boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(activity);
76 xbt_assert(comm->mbox == this, "Comm %p is in mailbox %s, not mailbox %s", comm.get(),
77 (comm->mbox ? comm->mbox->get_cname() : "(null)"), this->get_cname());
79 for (auto it = this->comm_queue_.begin(); it != this->comm_queue_.end(); it++)
81 this->comm_queue_.erase(it);
84 xbt_die("Comm %p not found in mailbox %s", comm.get(), this->get_cname());