-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include <simgrid/Exception.hpp>
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/modelchecker.h>
+#include <simgrid/s4u/Host.hpp>
+
+#include "src/kernel/EngineImpl.hpp"
#include "src/kernel/activity/CommImpl.hpp"
-#include "simgrid/kernel/resource/Action.hpp"
-#include "simgrid/modelchecker.h"
#include "src/kernel/activity/MailboxImpl.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
+#include "src/kernel/resource/CpuImpl.hpp"
+#include "src/kernel/resource/NetworkModel.hpp"
+#include "src/kernel/resource/StandardLinkImpl.hpp"
#include "src/mc/mc_replay.hpp"
-#include "src/simix/smx_network_private.hpp"
-#include "src/surf/surf_interface.hpp"
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_network);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_network, kernel, "Kernel network-related synchronization");
+
+namespace simgrid::kernel::activity {
+
+unsigned CommImpl::next_id_ = 0;
+
+std::function<void(CommImpl*, void*, size_t)> CommImpl::copy_data_callback_ = [](kernel::activity::CommImpl* comm,
+ void* buff, size_t buff_size) {
+ xbt_assert((buff_size == sizeof(void*)), "Cannot copy %zu bytes: must be sizeof(void*)", buff_size);
+ if (comm->dst_buff_ != nullptr) // get_async provided a buffer
+ *(void**)(comm->dst_buff_) = buff;
+ comm->payload_ = buff; // Setup what will be retrieved by s4u::Comm::get_payload()
+};
-simgrid::kernel::activity::CommImpl::CommImpl(e_smx_comm_type_t _type) : type(_type)
+void CommImpl::set_copy_data_callback(const std::function<void(CommImpl*, void*, size_t)>& callback)
{
- state_ = SIMIX_WAITING;
- src_data = nullptr;
- dst_data = nullptr;
- XBT_DEBUG("Create comm activity %p", this);
+ copy_data_callback_ = callback;
}
-simgrid::kernel::activity::CommImpl::~CommImpl()
+CommImpl& CommImpl::set_type(CommImplType type)
{
- XBT_DEBUG("Really free communication %p", this);
+ type_ = type;
+ return *this;
+}
+
+CommImpl& CommImpl::set_source(s4u::Host* from)
+{
+ xbt_assert( from_ == nullptr );
+ from_ = from;
+ add_host(from);
+ return *this;
+}
- cleanupSurf();
+CommImpl& CommImpl::set_destination(s4u::Host* to)
+{
+ xbt_assert( to_ == nullptr );
+ to_ = to;
+ add_host(to_);
+ return *this;
+}
+
+CommImpl& CommImpl::set_size(double size)
+{
+ size_ = size;
+ return *this;
+}
+
+CommImpl& CommImpl::set_rate(double rate)
+{
+ rate_ = rate;
+ return *this;
+}
+CommImpl& CommImpl::set_mailbox(MailboxImpl* mbox)
+{
+ if (mbox != nullptr)
+ mbox_id_ = mbox->get_id();
+ mbox_ = mbox;
+ return *this;
+}
+
+CommImpl& CommImpl::set_src_buff(unsigned char* buff, size_t size)
+{
+ src_buff_ = buff;
+ src_buff_size_ = size;
+ return *this;
+}
+
+CommImpl& CommImpl::set_dst_buff(unsigned char* buff, size_t* size)
+{
+ dst_buff_ = buff;
+ dst_buff_size_ = size;
+ return *this;
+}
+
+CommImpl& CommImpl::detach()
+{
+ detached_ = true;
+ EngineImpl::get_instance()->get_maestro()->activities_.insert(this);
+ return *this;
+}
+
+CommImpl::~CommImpl()
+{
+ XBT_DEBUG("Really free communication %p in state %s (detached = %d)", this, get_state_str(), detached_);
- if (detached && state_ != SIMIX_DONE) {
+ clean_action();
+
+ if (detached_ && get_state() != State::DONE) {
/* the communication has failed and was detached:
* we have to free the buffer */
if (clean_fun)
- clean_fun(src_buff);
- src_buff = nullptr;
+ clean_fun(src_buff_);
+ src_buff_ = nullptr;
+ } else if (mbox_) {
+ mbox_->remove(this);
+ }
+}
+
+/** @brief Starts the simulation of a communication synchro. */
+CommImpl* CommImpl::start()
+{
+ /* If both the sender and the receiver are already there, start the communication */
+ if (get_state() == State::READY) {
+ from_ = from_ != nullptr ? from_ : src_actor_->get_host();
+ xbt_assert(from_->is_on());
+ to_ = to_ != nullptr ? to_ : dst_actor_->get_host();
+ xbt_assert(to_->is_on());
+
+ /* Getting the network_model from the origin host
+ * Valid while we have a single network model, otherwise we would need to change this function to first get the
+ * routes and later create the respective model actions */
+ auto net_model = from_->get_netpoint()->get_englobing_zone()->get_network_model();
+
+ model_action_ = net_model->communicate(from_, to_, size_, rate_, false);
+ model_action_->set_activity(this);
+ model_action_->set_category(get_tracing_category());
+ set_start_time(model_action_->get_start_time());
+ set_state(State::RUNNING);
+
+ XBT_DEBUG("Starting communication %p from '%s' to '%s' (model action: %p; state: %s)", this, from_->get_cname(),
+ to_->get_cname(), model_action_, get_state_str());
+
+ /* If a link is failed, detect it immediately */
+ if (model_action_->get_state() == resource::Action::State::FAILED) {
+ XBT_DEBUG("Communication from '%s' to '%s' failed to start because of a link failure", from_->get_cname(),
+ to_->get_cname());
+ set_state(State::LINK_FAILURE);
+ finish();
+
+ } else if ((src_actor_ != nullptr && src_actor_->is_suspended()) ||
+ (dst_actor_ != nullptr && dst_actor_->is_suspended())) {
+ /* If any of the actor is suspended, create the synchro but stop its execution,
+ it will be restarted when the sender actor resumes */
+ if (src_actor_->is_suspended())
+ XBT_DEBUG("The communication is suspended on startup because src (%s@%s) was suspended since it initiated the "
+ "communication",
+ src_actor_->get_cname(), src_actor_->get_host()->get_cname());
+ else
+ XBT_DEBUG("The communication is suspended on startup because dst (%s@%s) was suspended since it initiated the "
+ "communication",
+ dst_actor_->get_cname(), dst_actor_->get_host()->get_cname());
+
+ model_action_->suspend();
+ }
}
- if (mbox)
- mbox->remove(this);
+ return this;
}
-void simgrid::kernel::activity::CommImpl::suspend()
+std::vector<s4u::Link*> CommImpl::get_traversed_links() const
{
- /* FIXME: shall we suspend also the timeout synchro? */
- if (surfAction_)
- surfAction_->suspend();
- /* in the other case, the action will be suspended on creation, in SIMIX_comm_start() */
+ xbt_assert(get_state() != State::WAITING, "You cannot use %s() if your communication is not ready (%s)", __FUNCTION__,
+ get_state_str());
+ std::vector<s4u::Link*> vlinks;
+ XBT_ATTRIB_UNUSED double res = 0;
+ from_->route_to(to_, vlinks, &res);
+ return vlinks;
}
-void simgrid::kernel::activity::CommImpl::resume()
+/** @brief Copy the communication data from the sender's buffer to the receiver's one */
+void CommImpl::copy_data()
{
- /*FIXME: check what happen with the timeouts */
- if (surfAction_)
- surfAction_->resume();
- /* in the other case, the synchro were not really suspended yet, see SIMIX_comm_suspend() and SIMIX_comm_start() */
+ size_t buff_size = src_buff_size_;
+ /* If there is no data to copy then return */
+ if (not src_buff_ || not dst_buff_size_ || copied_)
+ return;
+
+ XBT_DEBUG("Copying comm %p data from %s (%p) -> %s (%p) (%zu bytes)", this,
+ src_actor_ ? src_actor_->get_host()->get_cname() : "a finished actor", src_buff_,
+ dst_actor_ ? dst_actor_->get_host()->get_cname() : "a finished actor", dst_buff_, buff_size);
+
+ /* Copy at most dst_buff_size bytes of the message to receiver's buffer */
+ if (dst_buff_size_) {
+ buff_size = std::min(buff_size, *dst_buff_size_);
+
+ /* Update the receiver's buffer size to the copied amount */
+ *dst_buff_size_ = buff_size;
+ }
+
+ if (buff_size > 0) {
+ if (copy_data_fun)
+ copy_data_fun(this, src_buff_, buff_size);
+ else
+ copy_data_callback_(this, src_buff_, buff_size);
+ }
+
+ /* Set the copied flag so we copy data only once */
+ /* (this function might be called from both communication ends) */
+ copied_ = true;
}
-void simgrid::kernel::activity::CommImpl::cancel()
+ActivityImplPtr CommImpl::isend(actor::CommIsendSimcall* observer)
{
- /* if the synchro is a waiting state means that it is still in a mbox */
- /* so remove from it and delete it */
- if (state_ == SIMIX_WAITING) {
- mbox->remove(this);
- state_ = SIMIX_CANCELED;
- } else if (not MC_is_active() /* when running the MC there are no surf actions */
- && not MC_record_replay_is_active() && (state_ == SIMIX_READY || state_ == SIMIX_RUNNING)) {
+ auto* mbox = observer->get_mailbox();
+ XBT_DEBUG("send from mailbox %p", mbox);
+
+ /* Prepare a synchro describing us, so that it gets passed to the user-provided filter of other side */
+ CommImplPtr this_comm(new CommImpl());
+ this_comm->set_type(CommImplType::SEND);
- surfAction_->cancel();
+ /* Look for communication synchro matching our needs. We also provide a description of
+ * ourself so that the other side also gets a chance of choosing if it wants to match with us.
+ *
+ * If it is not found then push our communication into the rendez-vous point */
+ CommImplPtr other_comm =
+ mbox->find_matching_comm(CommImplType::RECEIVE, observer->get_match_fun(), observer->get_payload(), this_comm,
+ /*done*/ false, /*remove_matching*/ true);
+
+ if (not other_comm) {
+ other_comm = std::move(this_comm);
+
+ if (mbox->is_permanent()) {
+ // this mailbox is for small messages, which have to be sent right now
+ other_comm->set_state(State::READY);
+ other_comm->dst_actor_ = mbox->get_permanent_receiver().get();
+ mbox->push_done(other_comm);
+ XBT_DEBUG("pushing a message into the permanent receive list %p, comm %p", mbox, other_comm.get());
+
+ } else {
+ mbox->push(other_comm);
+ }
+ } else {
+ XBT_DEBUG("Receive already pushed");
+
+ other_comm->set_state(State::READY);
}
+ observer->set_comm(other_comm.get());
+
+ if (observer->is_detached()) {
+ other_comm->detach();
+ other_comm->clean_fun = observer->get_clean_fun();
+ } else {
+ other_comm->clean_fun = nullptr;
+ observer->get_issuer()->activities_.insert(other_comm);
+ }
+
+ /* Setup the communication synchro */
+ other_comm->src_actor_ = observer->get_issuer();
+ other_comm->src_data_ = observer->get_payload();
+ (*other_comm)
+ .set_src_buff(observer->get_src_buff(), observer->get_src_buff_size())
+ .set_size(observer->get_payload_size())
+ .set_rate(observer->get_rate());
+
+ other_comm->match_fun = observer->get_match_fun();
+ other_comm->copy_data_fun = observer->get_copy_data_fun();
+
+ if (MC_is_active() || MC_record_replay_is_active())
+ other_comm->set_state(simgrid::kernel::activity::State::RUNNING);
+ else
+ other_comm->start();
+
+ return (observer->is_detached() ? nullptr : other_comm);
+}
+
+ActivityImplPtr CommImpl::irecv(actor::CommIrecvSimcall* observer)
+{
+ CommImplPtr this_synchro(new CommImpl());
+ this_synchro->set_type(CommImplType::RECEIVE);
+
+ auto* mbox = observer->get_mailbox();
+ XBT_DEBUG("recv from mbox %p. this_synchro=%p", mbox, this_synchro.get());
+
+ CommImplPtr other_comm;
+ // communication already done, get it inside the list of completed comms
+ if (mbox->is_permanent() && mbox->has_some_done_comm()) {
+ XBT_DEBUG("We have a comm that has probably already been received, trying to match it, to skip the communication");
+ // find a match in the list of already received comms
+ other_comm = mbox->find_matching_comm(CommImplType::SEND, observer->get_match_fun(), observer->get_payload(),
+ this_synchro, /*done*/ true, /*remove_matching*/ true);
+ if (other_comm && other_comm->model_action_ && other_comm->get_remaining() < 1e-12) {
+ XBT_DEBUG("comm %p has been already sent, and is finished, destroy it", other_comm.get());
+ other_comm->set_state(State::DONE);
+ other_comm->set_mailbox(nullptr);
+ } else {
+ // if not found, assume the receiver came first, register it to the mailbox in the classical way
+ if (not other_comm) {
+ XBT_DEBUG("We have messages in the permanent receive list, but not the one we are looking for, pushing request "
+ "into list");
+ other_comm = std::move(this_synchro);
+ mbox->push(other_comm);
+ }
+ observer->get_issuer()->activities_.insert(other_comm);
+ }
+ } else {
+ /* Prepare a comm describing us, so that it gets passed to the user-provided filter of other side */
+
+ /* Look for communication activity matching our needs. We also provide a description of
+ * ourself so that the other side also gets a chance of choosing if it wants to match with us.
+ *
+ * If it is not found then push our communication into the rendez-vous point */
+ other_comm = mbox->find_matching_comm(CommImplType::SEND, observer->get_match_fun(), observer->get_payload(),
+ this_synchro, /*done*/ false, /*remove_matching*/ true);
+
+ if (other_comm == nullptr) {
+ XBT_DEBUG("Receive pushed first (%zu comm enqueued so far)", mbox->size());
+ other_comm = std::move(this_synchro);
+ mbox->push(other_comm);
+ } else {
+ XBT_DEBUG("Match my %p with the existing %p", this_synchro.get(), other_comm.get());
+
+ other_comm->set_state(simgrid::kernel::activity::State::READY);
+ }
+ observer->get_issuer()->activities_.insert(other_comm);
+ }
+ observer->set_comm(other_comm.get());
+
+ /* Setup communication synchro */
+ other_comm->dst_actor_ = observer->get_issuer();
+ other_comm->dst_data_ = observer->get_payload();
+ other_comm->set_dst_buff(observer->get_dst_buff(), observer->get_dst_buff_size());
+
+ if (observer->get_rate() > -1.0 && (other_comm->get_rate() < 0.0 || observer->get_rate() < other_comm->get_rate()))
+ other_comm->set_rate(observer->get_rate());
+
+ other_comm->match_fun = observer->get_match_fun();
+ other_comm->copy_data_fun = observer->get_copy_data_fun();
+
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ other_comm->set_state(State::RUNNING);
+ return other_comm;
+ }
+ other_comm->start();
+
+ return other_comm;
}
-/** @brief get the amount remaining from the communication */
-double simgrid::kernel::activity::CommImpl::remains()
+bool CommImpl::test(actor::ActorImpl* issuer)
{
- return surfAction_->get_remains();
+ if ((MC_is_active() || MC_record_replay_is_active()) && src_actor_ && dst_actor_)
+ set_state(State::DONE);
+ return ActivityImpl::test(issuer);
}
-/** @brief This is part of the cleanup process, probably an internal command */
-void simgrid::kernel::activity::CommImpl::cleanupSurf()
+void CommImpl::wait_for(actor::ActorImpl* issuer, double timeout)
{
- if (surfAction_) {
- surfAction_->unref();
- surfAction_ = nullptr;
+ XBT_DEBUG("CommImpl::wait_for(%g), %p, state %s", timeout, this, get_state_str());
+
+ /* Associate this simcall to the wait synchro */
+ register_simcall(&issuer->simcall_);
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ // FIXME: what about timeouts?
+ set_state(State::DONE);
+ finish();
+ return;
}
+ ActivityImpl::wait_for(issuer, timeout);
+}
+
+void CommImpl::wait_any_for(actor::ActorImpl* issuer, const std::vector<CommImpl*>& comms, double timeout)
+{
+ std::vector<ActivityImpl*> activities(comms.begin(), comms.end());
+ ActivityImpl::wait_any_for(issuer, activities, timeout);
+}
+
+void CommImpl::suspend()
+{
+ /* FIXME: shall we suspend also the timeout synchro? */
+ if (model_action_)
+ model_action_->suspend();
+ /* if not created yet, the action will be suspended on creation, in CommImpl::start() */
+}
+
+void CommImpl::resume()
+{
+ /*FIXME: check what happen with the timeouts */
+ if (model_action_)
+ model_action_->resume();
+ /* in the other case, the synchro were not really suspended yet, see CommImpl::suspend() and CommImpl::start() */
+}
- if (src_timeout) {
- src_timeout->unref();
- src_timeout = nullptr;
+void CommImpl::cancel()
+{
+ /* if the synchro is a waiting state means that it is still in a mbox so remove from it and delete it */
+ if (get_state() == State::WAITING) {
+ if (not detached_) {
+ mbox_->remove(this);
+ set_state(State::CANCELED);
+ }
+ } else if (not MC_is_active() /* when running the MC there are no model actions */
+ && not MC_record_replay_is_active() && (get_state() == State::READY || get_state() == State::RUNNING)) {
+ model_action_->cancel();
}
+}
+
+void CommImpl::set_exception(actor::ActorImpl* issuer)
+{
+ switch (get_state()) {
+ case State::FAILED:
+ issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ break;
+ case State::SRC_TIMEOUT:
+ issuer->exception_ =
+ std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Communication timeouted because of the sender"));
+ break;
- if (dst_timeout) {
- dst_timeout->unref();
- dst_timeout = nullptr;
+ case State::DST_TIMEOUT:
+ issuer->exception_ =
+ std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Communication timeouted because of the receiver"));
+ break;
+
+ case State::SRC_HOST_FAILURE:
+ if (issuer == src_actor_)
+ issuer->set_wannadie();
+ else {
+ set_state(State::FAILED);
+ issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ }
+ break;
+
+ case State::DST_HOST_FAILURE:
+ if (issuer == dst_actor_)
+ issuer->set_wannadie();
+ else {
+ set_state(State::FAILED);
+ issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ }
+ break;
+
+ case State::LINK_FAILURE:
+ XBT_DEBUG("Link failure in synchro %p between '%s' and '%s': posting an exception to the issuer: %s (%p) "
+ "detached:%d",
+ this, src_actor_ ? src_actor_->get_host()->get_cname() : nullptr,
+ dst_actor_ ? dst_actor_->get_host()->get_cname() : nullptr, issuer->get_cname(), issuer, detached_);
+ if (src_actor_ == issuer) {
+ XBT_DEBUG("I'm source");
+ } else if (dst_actor_ == issuer) {
+ XBT_DEBUG("I'm dest");
+ } else {
+ XBT_DEBUG("I'm neither source nor dest");
+ }
+ set_state(State::FAILED);
+ issuer->throw_exception(std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Link failure")));
+ break;
+
+ case State::CANCELED:
+ if (issuer == dst_actor_)
+ issuer->exception_ =
+ std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Communication canceled by the sender"));
+ else
+ issuer->exception_ =
+ std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Communication canceled by the receiver"));
+ break;
+
+ default:
+ xbt_assert(get_state() == State::DONE, "Internal error in CommImpl::finish(): unexpected synchro state %s",
+ get_state_str());
}
}
-void simgrid::kernel::activity::CommImpl::post()
+void CommImpl::finish()
{
+ XBT_DEBUG("CommImpl::finish() comm %p, state %s, src_proc %p, dst_proc %p, detached: %d", this, get_state_str(),
+ src_actor_.get(), dst_actor_.get(), detached_);
+
+ if (get_iface()) {
+ const auto& piface = static_cast<const s4u::Comm&>(*get_iface());
+ set_iface(nullptr); // reset iface to protect against multiple trigger of the on_completion signals
+ piface.fire_on_completion_for_real();
+ piface.fire_on_this_completion_for_real();
+ }
+
/* Update synchro state */
- if (src_timeout && src_timeout->get_state() == simgrid::kernel::resource::Action::State::FINISHED)
- state_ = SIMIX_SRC_TIMEOUT;
- else if (dst_timeout && dst_timeout->get_state() == simgrid::kernel::resource::Action::State::FINISHED)
- state_ = SIMIX_DST_TIMEOUT;
- else if (src_timeout && src_timeout->get_state() == simgrid::kernel::resource::Action::State::FAILED)
- state_ = SIMIX_SRC_HOST_FAILURE;
- else if (dst_timeout && dst_timeout->get_state() == simgrid::kernel::resource::Action::State::FAILED)
- state_ = SIMIX_DST_HOST_FAILURE;
- else if (surfAction_ && surfAction_->get_state() == simgrid::kernel::resource::Action::State::FAILED) {
- state_ = SIMIX_LINK_FAILURE;
- } else
- state_ = SIMIX_DONE;
-
- XBT_DEBUG("SIMIX_post_comm: comm %p, state %d, src_proc %p, dst_proc %p, detached: %d", this, (int)state_,
- src_proc.get(), dst_proc.get(), detached);
-
- /* destroy the surf actions associated with the Simix communication */
- cleanupSurf();
-
- /* if there are simcalls associated with the synchro, then answer them */
- if (not simcalls_.empty()) {
- SIMIX_comm_finish(this);
+ if (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FINISHED)
+ set_state(State::SRC_TIMEOUT);
+ else if (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FINISHED)
+ set_state(State::DST_TIMEOUT);
+ else if ((from_ && not from_->is_on()) ||
+ (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FAILED))
+ set_state(State::SRC_HOST_FAILURE);
+ else if ((to_ && not to_->is_on()) || (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FAILED))
+ set_state(State::DST_HOST_FAILURE);
+ else if (model_action_ && model_action_->get_state() == resource::Action::State::FAILED) {
+ set_state(State::LINK_FAILURE);
+ } else if (get_state() == State::RUNNING) {
+ xbt_assert(from_ && from_->is_on());
+ xbt_assert(to_ && to_->is_on());
+ set_state(State::DONE);
+ }
+ src_timeout_ = nullptr;
+ dst_timeout_ = nullptr;
+
+ /* destroy the model actions associated with the communication activity */
+ clean_action();
+
+ /* If the synchro is still in a rendez-vous point then remove from it */
+ if (mbox_)
+ mbox_->remove(this);
+
+ if (get_state() == State::DONE)
+ copy_data();
+
+ if (detached_)
+ EngineImpl::get_instance()->get_maestro()->activities_.erase(this);
+
+ while (not simcalls_.empty()) {
+ actor::Simcall* simcall = simcalls_.front();
+ simcalls_.pop_front();
+
+ /* If a waitany simcall is waiting for this synchro to finish, then remove it from the other synchros in the waitany
+ * list. Afterwards, get the position of the actual synchro in the waitany list and return it as the result of the
+ * simcall */
+
+ if (simcall->call_ == actor::Simcall::Type::NONE) // FIXME: maybe a better way to handle this case
+ continue; // if actor handling comm is killed
+
+ handle_activity_waitany(simcall);
+
+ /* Check out for errors */
+
+ if (not simcall->issuer_->get_host()->is_on()) {
+ simcall->issuer_->set_wannadie();
+ } else {
+ // Do not answer to dying actors
+ if (not simcall->issuer_->wannadie()) {
+ set_exception(simcall->issuer_);
+ simcall->issuer_->simcall_answer();
+ }
+ }
+
+ simcall->issuer_->waiting_synchro_ = nullptr;
+ simcall->issuer_->activities_.erase(this);
+ if (detached_) {
+ if (simcall->issuer_ != dst_actor_ && dst_actor_ != nullptr)
+ dst_actor_->activities_.erase(this);
+ if (simcall->issuer_ != src_actor_ && src_actor_ != nullptr)
+ src_actor_->activities_.erase(this);
+ }
}
}
+
+} // namespace simgrid::kernel::activity