1 /* Copyright (c) 2007-2017. 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"
8 #include "src/kernel/activity/CommImpl.hpp"
10 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_mailbox, simix, "Mailbox implementation");
12 static std::map<std::string, smx_mailbox_t>* mailboxes = new std::map<std::string, smx_mailbox_t>;
14 void SIMIX_mailbox_exit()
16 for (auto const& elm : *mailboxes)
21 /******************************************************************************/
22 /* Rendez-Vous Points */
23 /******************************************************************************/
28 /** @brief Returns the mailbox of that name, or nullptr */
29 MailboxImpl* MailboxImpl::byNameOrNull(const char* name)
31 auto mbox = mailboxes->find(name);
32 if (mbox != mailboxes->end())
37 /** @brief Returns the mailbox of that name, newly created on need */
38 MailboxImpl* MailboxImpl::byNameOrCreate(const char* name)
40 xbt_assert(name, "Mailboxes must have a name");
41 /* two processes may have pushed the same mbox_create simcall at the same time */
42 auto m = mailboxes->find(name);
43 if (m == mailboxes->end()) {
44 smx_mailbox_t mbox = new MailboxImpl(name);
45 XBT_DEBUG("Creating a mailbox at %p with name %s", mbox, name);
46 (*mailboxes)[mbox->name_] = mbox;
51 /** @brief set the receiver of the mailbox to allow eager sends
52 * \param actor The receiving dude
54 void MailboxImpl::setReceiver(s4u::ActorPtr actor)
56 this->permanent_receiver = actor.get()->getImpl();
58 /** @brief Pushes a communication activity into a mailbox
59 * @param comm What to add
61 void MailboxImpl::push(activity::CommImplPtr comm)
64 this->comm_queue.push_back(std::move(comm));
67 /** @brief Removes a communication activity from a mailbox
68 * @param activity What to remove
70 void MailboxImpl::remove(smx_activity_t activity)
72 simgrid::kernel::activity::CommImplPtr comm =
73 boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(activity);
75 xbt_assert(comm->mbox == this, "Comm %p is in mailbox %s, not mailbox %s", comm.get(),
76 (comm->mbox ? comm->mbox->getCname() : "(null)"), this->getCname());
78 for (auto it = this->comm_queue.begin(); it != this->comm_queue.end(); it++)
80 this->comm_queue.erase(it);
83 xbt_die("Comm %p not found in mailbox %s", comm.get(), this->getCname());