1 /* Copyright (c) 2007-2019. 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. */
7 #include "simgrid/Exception.hpp"
8 #include "simgrid/s4u/Actor.hpp"
9 #include "simgrid/s4u/Exec.hpp"
10 #include "src/kernel/activity/CommImpl.hpp"
11 #include "src/kernel/activity/ExecImpl.hpp"
12 #include "src/kernel/activity/IoImpl.hpp"
13 #include "src/kernel/activity/SleepImpl.hpp"
14 #include "src/kernel/activity/SynchroRaw.hpp"
15 #include "src/mc/mc_replay.hpp"
16 #include "src/mc/remote/Client.hpp"
17 #include "src/simix/smx_private.hpp"
18 #include "src/surf/HostImpl.hpp"
19 #include "src/surf/cpu_interface.hpp"
21 #include <boost/range/algorithm.hpp>
23 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix, "Logging specific to SIMIX (process)");
25 static unsigned long simix_process_maxpid = 0;
28 * @brief Returns the current agent.
30 * This functions returns the currently running SIMIX process.
32 * @return The SIMIX process
34 smx_actor_t SIMIX_process_self()
36 smx_context_t self_context = simgrid::kernel::context::Context::self();
38 return (self_context != nullptr) ? self_context->get_actor() : nullptr;
42 * @brief Returns whether a process has pending asynchronous communications.
43 * @return true if there are asynchronous communications in this process
46 int SIMIX_process_has_pending_comms(smx_actor_t process)
49 return process->comms.size() > 0;
56 ActorImpl::ActorImpl(const simgrid::xbt::string& name, s4u::Host* host) : host_(host), name_(name), piface_(this)
58 pid_ = simix_process_maxpid++;
59 simcall.issuer = this;
62 ActorImpl::~ActorImpl() = default;
64 /* Become an actor in the simulation
66 * Currently this can only be called by the main thread (once) and only work with some thread factories
67 * (currently ThreadContextFactory).
69 * In the future, it might be extended in order to attach other threads created by a third party library.
72 ActorImplPtr ActorImpl::attach(const std::string& name, void* data, s4u::Host* host,
73 std::unordered_map<std::string, std::string>* properties)
75 // This is mostly a copy/paste from create(), it'd be nice to share some code between those two functions.
77 XBT_DEBUG("Attach process %s on host '%s'", name.c_str(), host->get_cname());
79 if (not host->is_on()) {
80 XBT_WARN("Cannot launch process '%s' on failed host '%s'", name.c_str(), host->get_cname());
81 std::rethrow_exception(
82 std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Cannot attach actor on failed host.")));
85 ActorImpl* actor = new ActorImpl(xbt::string(name), host);
87 actor->set_user_data(data);
88 actor->code = nullptr;
90 XBT_VERB("Create context %s", actor->get_cname());
91 xbt_assert(simix_global != nullptr, "simix is not initialized, please call MSG_init first");
92 actor->context_.reset(simix_global->context_factory->attach(actor));
95 if (properties != nullptr)
96 for (auto const& kv : *properties)
97 actor->set_property(kv.first, kv.second);
99 /* Add the process to it's host process list */
100 host->pimpl_->process_list_.push_back(*actor);
102 /* Now insert it in the global process list and in the process to run list */
103 simix_global->process_list[actor->get_pid()] = actor;
104 XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), host->get_cname());
105 simix_global->actors_to_run.push_back(actor);
106 intrusive_ptr_add_ref(actor);
108 auto* context = dynamic_cast<simgrid::kernel::context::AttachContext*>(actor->context_.get());
109 xbt_assert(nullptr != context, "Not a suitable context");
110 context->attach_start();
112 /* The on_creation() signal must be delayed until there, where the pid and everything is set */
113 simgrid::s4u::ActorPtr tmp = actor->iface(); // Passing this directly to on_creation will lead to crashes
114 simgrid::s4u::Actor::on_creation(tmp);
116 return ActorImplPtr(actor);
118 /** @brief Detach an actor attached with `attach()`
120 * This is called when the current actor has finished its job.
121 * Used in the main thread, it waits for the simulation to finish before returning. When it returns, the other
122 * simulated actors and the maestro are destroyed.
124 void ActorImpl::detach()
126 auto* context = dynamic_cast<context::AttachContext*>(context::Context::self());
127 if (context == nullptr)
128 xbt_die("Not a suitable context");
130 context->get_actor()->cleanup();
131 context->attach_stop();
134 void ActorImpl::cleanup()
138 if (has_to_auto_restart() && not get_host()->is_on()) {
139 XBT_DEBUG("Insert host %s to watched_hosts because it's off and %s needs to restart", get_host()->get_cname(),
141 watched_hosts.insert(get_host()->get_name());
144 // Execute the termination callbacks
145 smx_process_exit_status_t exit_status = (context_->iwannadie) ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS;
146 while (not on_exit.empty()) {
147 s_smx_process_exit_fun_t exit_fun = on_exit.back();
149 (exit_fun.fun)(exit_status, exit_fun.arg);
152 /* cancel non-blocking activities */
153 for (auto activity : comms)
154 boost::static_pointer_cast<activity::CommImpl>(activity)->cancel();
157 XBT_DEBUG("%s@%s(%ld) should not run anymore", get_cname(), get_host()->get_cname(), get_pid());
159 if (this == simix_global->maestro_process) /* Do not cleanup maestro */
162 XBT_DEBUG("Cleanup actor %s (%p), waiting synchro %p", get_cname(), this, waiting_synchro.get());
164 /* Unregister from the kill timer if any */
165 if (kill_timer != nullptr) {
166 kill_timer->remove();
167 kill_timer = nullptr;
170 simix_global->mutex.lock();
172 simix_global->process_list.erase(pid_);
173 if (host_ && host_process_list_hook.is_linked())
174 simgrid::xbt::intrusive_erase(host_->pimpl_->process_list_, *this);
175 if (not smx_destroy_list_hook.is_linked()) {
177 xbt_dynar_push_as(simix_global->dead_actors_vector, ActorImpl*, this);
179 simix_global->actors_to_destroy.push_back(*this);
182 simix_global->mutex.unlock();
184 context_->iwannadie = false; // don't let the simcall's yield() do a Context::stop(), to avoid infinite loops
185 simgrid::simix::simcall([this] { simgrid::s4u::Actor::on_destruction(iface()); });
186 context_->iwannadie = true;
189 void ActorImpl::exit()
191 context_->iwannadie = true;
194 exception_ = nullptr;
196 // Forcefully kill the actor if its host is turned off. Not a HostFailureException because you should not survive that
197 if (not host_->is_on())
198 this->throw_exception(std::make_exception_ptr(ForcefulKillException("host failed")));
200 /* destroy the blocking synchro if any */
201 if (waiting_synchro != nullptr) {
203 activity::ExecImplPtr exec = boost::dynamic_pointer_cast<activity::ExecImpl>(waiting_synchro);
204 activity::CommImplPtr comm = boost::dynamic_pointer_cast<activity::CommImpl>(waiting_synchro);
205 activity::SleepImplPtr sleep = boost::dynamic_pointer_cast<activity::SleepImpl>(waiting_synchro);
206 activity::RawImplPtr raw = boost::dynamic_pointer_cast<activity::RawImpl>(waiting_synchro);
207 activity::IoImplPtr io = boost::dynamic_pointer_cast<activity::IoImpl>(waiting_synchro);
209 if (exec != nullptr && exec->surf_action_) {
211 exec->surf_action_->unref();
212 exec->surf_action_ = nullptr;
213 } else if (comm != nullptr) {
214 comms.remove(waiting_synchro);
216 // Remove first occurrence of &actor->simcall:
217 auto i = boost::range::find(waiting_synchro->simcalls_, &simcall);
218 if (i != waiting_synchro->simcalls_.end())
219 waiting_synchro->simcalls_.remove(&simcall);
220 } else if (sleep != nullptr) {
221 if (sleep->surf_action_)
222 sleep->surf_action_->cancel();
224 } else if (raw != nullptr) {
226 } else if (io != nullptr) {
229 simgrid::kernel::activity::ActivityImplPtr activity = waiting_synchro;
230 xbt_die("Activity %s is of unknown type %s", activity->get_cname(),
231 simgrid::xbt::demangle(typeid(activity).name()).get());
234 waiting_synchro = nullptr;
238 void ActorImpl::kill(ActorImpl* actor)
240 if (actor->finished_) {
241 XBT_DEBUG("Ignoring request to kill actor %s@%s that is already dead", actor->get_cname(),
242 actor->host_->get_cname());
246 XBT_DEBUG("Actor '%s'@%s is killing actor '%s'@%s", get_cname(), host_ ? host_->get_cname() : "", actor->get_cname(),
247 actor->host_ ? actor->host_->get_cname() : "");
251 if (std::find(begin(simix_global->actors_to_run), end(simix_global->actors_to_run), actor) ==
252 end(simix_global->actors_to_run) &&
254 XBT_DEBUG("Inserting %s in the to_run list", actor->get_cname());
255 simix_global->actors_to_run.push_back(actor);
259 void ActorImpl::kill_all()
261 for (auto const& kv : simix_global->process_list)
262 if (kv.second != this)
263 this->kill(kv.second);
266 void ActorImpl::set_kill_time(double kill_time)
268 if (kill_time <= SIMIX_get_clock())
270 XBT_DEBUG("Set kill time %f for actor %s@%s", kill_time, get_cname(), host_->get_cname());
271 kill_timer = simix::Timer::set(kill_time, [this] {
273 kill_timer = nullptr;
277 double ActorImpl::get_kill_time()
279 return kill_timer ? kill_timer->get_date() : 0;
282 static void dying_daemon(int /*exit_status*/, void* data)
284 std::vector<ActorImpl*>* vect = &simix_global->daemons;
286 auto it = std::find(vect->begin(), vect->end(), static_cast<ActorImpl*>(data));
287 xbt_assert(it != vect->end(), "The dying daemon is not a daemon after all. Please report that bug.");
289 /* Don't move the whole content since we don't really care about the order */
290 std::swap(*it, vect->back());
294 void ActorImpl::yield()
296 XBT_DEBUG("Yield actor '%s'", get_cname());
298 /* Go into sleep and return control to maestro */
301 /* Ok, maestro returned control to us */
302 XBT_DEBUG("Control returned to me: '%s'", get_cname());
304 if (context_->iwannadie) {
305 XBT_DEBUG("Actor %s@%s is dead", get_cname(), host_->get_cname());
306 // throw simgrid::kernel::context::ForcefulKillException(); Does not seem to properly kill the actor
312 XBT_DEBUG("Hey! I'm suspended.");
314 xbt_assert(exception_ == nullptr, "Gasp! This exception may be lost by subsequent calls.");
319 if (exception_ != nullptr) {
320 XBT_DEBUG("Wait, maestro left me an exception");
321 std::exception_ptr exception = std::move(exception_);
322 exception_ = nullptr;
323 std::rethrow_exception(std::move(exception));
326 if (SMPI_switch_data_segment && not finished_) {
327 SMPI_switch_data_segment(iface());
331 /** This actor will be terminated automatically when the last non-daemon actor finishes */
332 void ActorImpl::daemonize()
336 simix_global->daemons.push_back(this);
337 SIMIX_process_on_exit(this, dying_daemon, this);
341 s4u::Actor* ActorImpl::restart()
343 xbt_assert(this != simix_global->maestro_process, "Restarting maestro is not supported");
345 XBT_DEBUG("Restarting actor %s on %s", get_cname(), host_->get_cname());
347 // retrieve the arguments of the old actor
348 ProcessArg arg = ProcessArg(host_, this);
350 // kill the old actor
351 context::Context::self()->get_actor()->kill(this);
353 // start the new actor
355 ActorImpl::create(arg.name, std::move(arg.code), arg.data, arg.host, arg.properties.get(), nullptr);
356 actor->set_kill_time(arg.kill_time);
357 actor->set_auto_restart(arg.auto_restart);
359 return actor->ciface();
362 activity::ActivityImplPtr ActorImpl::suspend(ActorImpl* issuer)
365 XBT_DEBUG("Actor '%s' is already suspended", get_cname());
371 /* If we are suspending another actor that is waiting on a sync, suspend its synchronization. */
372 if (this != issuer) {
374 waiting_synchro->suspend();
375 /* If the other actor is not waiting, its suspension is delayed to when the actor is rescheduled. */
379 return activity::ExecImplPtr(new activity::ExecImpl("suspend", ""))->set_host(host_)->start(0.0, 1.0, 0.0);
383 void ActorImpl::resume()
385 XBT_IN("actor = %p", this);
387 if (context_->iwannadie) {
388 XBT_VERB("Ignoring request to suspend an actor that is currently dying.");
396 /* resume the synchronization that was blocking the resumed actor. */
398 waiting_synchro->resume();
403 activity::ActivityImplPtr ActorImpl::join(ActorImpl* actor, double timeout)
405 activity::ActivityImplPtr res = this->sleep(timeout);
406 intrusive_ptr_add_ref(res.get());
407 SIMIX_process_on_exit(actor,
409 auto sleep = static_cast<activity::SleepImpl*>(arg);
410 if (sleep->surf_action_)
411 sleep->surf_action_->finish(resource::Action::State::FINISHED);
412 intrusive_ptr_release(sleep);
418 activity::ActivityImplPtr ActorImpl::sleep(double duration)
420 if (not host_->is_on())
421 throw_exception(std::make_exception_ptr(simgrid::HostFailureException(
422 XBT_THROW_POINT, std::string("Host ") + host_->get_cname() + " failed, you cannot sleep there.")));
424 return activity::SleepImplPtr(new activity::SleepImpl())
427 ->set_duration(duration)
431 void ActorImpl::throw_exception(std::exception_ptr e)
438 /* cancel the blocking synchro if any */
439 if (waiting_synchro) {
441 activity::ExecImplPtr exec = boost::dynamic_pointer_cast<activity::ExecImpl>(waiting_synchro);
445 activity::CommImplPtr comm = boost::dynamic_pointer_cast<activity::CommImpl>(waiting_synchro);
446 if (comm != nullptr) {
451 activity::SleepImplPtr sleep = boost::dynamic_pointer_cast<activity::SleepImpl>(waiting_synchro);
452 if (sleep != nullptr) {
453 SIMIX_process_sleep_destroy(sleep);
454 if (std::find(begin(simix_global->actors_to_run), end(simix_global->actors_to_run), this) ==
455 end(simix_global->actors_to_run) &&
456 this != SIMIX_process_self()) {
457 XBT_DEBUG("Inserting [%p] %s in the to_run list", this, get_cname());
458 simix_global->actors_to_run.push_back(this);
462 activity::RawImplPtr raw = boost::dynamic_pointer_cast<activity::RawImpl>(waiting_synchro);
463 if (raw != nullptr) {
467 activity::IoImplPtr io = boost::dynamic_pointer_cast<activity::IoImpl>(waiting_synchro);
472 waiting_synchro = nullptr;
475 void ActorImpl::set_host(s4u::Host* dest)
477 xbt::intrusive_erase(host_->pimpl_->process_list_, *this);
479 dest->pimpl_->process_list_.push_back(*this);
482 ActorImplPtr ActorImpl::init(const std::string& name, s4u::Host* host)
484 ActorImpl* actor = new ActorImpl(xbt::string(name), host);
485 actor->set_ppid(this->pid_);
487 intrusive_ptr_add_ref(actor);
488 /* The on_creation() signal must be delayed until there, where the pid and everything is set */
489 s4u::Actor::on_creation(actor->iface());
491 return ActorImplPtr(actor);
494 ActorImpl* ActorImpl::start(const simix::ActorCode& code)
496 xbt_assert(code && host_ != nullptr, "Invalid parameters");
498 if (not host_->is_on()) {
499 XBT_WARN("Cannot launch actor '%s' on failed host '%s'", name_.c_str(), host_->get_cname());
500 intrusive_ptr_release(this);
501 std::rethrow_exception(
502 std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Cannot start actor on failed host.")));
506 XBT_VERB("Create context %s", get_cname());
507 context_.reset(simix_global->context_factory->create_context(simix::ActorCode(code), this));
509 XBT_DEBUG("Start context '%s'", get_cname());
511 /* Add the actor to its host's actor list */
512 host_->pimpl_->process_list_.push_back(*this);
513 simix_global->process_list[pid_] = this;
515 /* Now insert it in the global actor list and in the actor to run list */
516 XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", this, get_cname(), host_->get_cname());
517 simix_global->actors_to_run.push_back(this);
522 ActorImplPtr ActorImpl::create(const std::string& name, const simix::ActorCode& code, void* data, s4u::Host* host,
523 std::unordered_map<std::string, std::string>* properties, ActorImpl* parent_actor)
525 XBT_DEBUG("Start actor %s@'%s'", name.c_str(), host->get_cname());
528 if (parent_actor != nullptr)
529 actor = parent_actor->init(xbt::string(name), host);
531 actor = SIMIX_process_self()->init(xbt::string(name), host);
534 actor->set_user_data(data);
537 if (properties != nullptr)
538 for (auto const& kv : *properties)
539 actor->set_property(kv.first, kv.second);
546 void create_maestro(const std::function<void()>& code)
548 /* Create maestro actor and initialize it */
549 ActorImpl* maestro = new ActorImpl(xbt::string(""), /*host*/ nullptr);
552 maestro->context_.reset(simix_global->context_factory->create_context(simix::ActorCode(), maestro));
554 maestro->context_.reset(simix_global->context_factory->create_maestro(simix::ActorCode(code), maestro));
557 maestro->simcall.issuer = maestro;
558 simix_global->maestro_process = maestro;
562 } // namespace kernel
563 } // namespace simgrid
565 void SIMIX_process_detach()
567 simgrid::kernel::actor::ActorImpl::detach();
570 smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostname,
571 std::unordered_map<std::string, std::string>* properties,
572 smx_actor_t /*parent_process*/)
574 return simgrid::kernel::actor::ActorImpl::attach(name, data, sg_host_by_name(hostname), properties).get();
577 /** @deprecated When this function gets removed, also remove the xbt_ex class, that is only there to help users to
579 void SIMIX_process_throw(smx_actor_t actor, xbt_errcat_t cat, int value, const char* msg)
581 SMX_EXCEPTION(actor, cat, value, msg);
583 if (actor->is_suspended())
586 /* cancel the blocking synchro if any */
587 if (actor->waiting_synchro) {
589 simgrid::kernel::activity::ExecImplPtr exec =
590 boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(actor->waiting_synchro);
594 simgrid::kernel::activity::CommImplPtr comm =
595 boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(actor->waiting_synchro);
596 if (comm != nullptr) {
597 actor->comms.remove(comm);
601 simgrid::kernel::activity::SleepImplPtr sleep =
602 boost::dynamic_pointer_cast<simgrid::kernel::activity::SleepImpl>(actor->waiting_synchro);
603 if (sleep != nullptr) {
604 SIMIX_process_sleep_destroy(sleep);
605 if (std::find(begin(simix_global->actors_to_run), end(simix_global->actors_to_run), actor) ==
606 end(simix_global->actors_to_run) &&
607 actor != SIMIX_process_self()) {
608 XBT_DEBUG("Inserting [%p] %s in the to_run list", actor, actor->get_cname());
609 simix_global->actors_to_run.push_back(actor);
613 simgrid::kernel::activity::RawImplPtr raw =
614 boost::dynamic_pointer_cast<simgrid::kernel::activity::RawImpl>(actor->waiting_synchro);
615 if (raw != nullptr) {
619 simgrid::kernel::activity::IoImplPtr io =
620 boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(actor->waiting_synchro);
625 actor->waiting_synchro = nullptr;
628 void simcall_HANDLER_process_suspend(smx_simcall_t simcall, smx_actor_t actor)
630 smx_activity_t sync_suspend = actor->suspend(simcall->issuer);
632 if (actor != simcall->issuer) {
633 SIMIX_simcall_answer(simcall);
635 sync_suspend->simcalls_.push_back(simcall);
636 actor->waiting_synchro = sync_suspend;
637 actor->waiting_synchro->suspend();
639 /* If we are suspending ourselves, then just do not finish the simcall now */
642 int SIMIX_process_get_maxpid()
644 return simix_process_maxpid;
647 int SIMIX_process_count()
649 return simix_global->process_list.size();
652 void* SIMIX_process_self_get_data() // deprecated
654 smx_actor_t self = SIMIX_process_self();
656 if (self == nullptr) {
659 return self->get_user_data();
662 void SIMIX_process_self_set_data(void* data) // deprecated
664 SIMIX_process_self()->set_user_data(data);
667 /* needs to be public and without simcall because it is called
668 by exceptions and logging events */
669 const char* SIMIX_process_self_get_name()
672 smx_actor_t process = SIMIX_process_self();
673 if (process == nullptr || process == simix_global->maestro_process)
676 return process->get_cname();
679 void simcall_HANDLER_process_join(smx_simcall_t simcall, smx_actor_t process, double timeout)
681 if (process->finished_) {
682 // The joined process is already finished, just wake up the issuer process right away
683 simcall_process_sleep__set__result(simcall, SIMIX_DONE);
684 SIMIX_simcall_answer(simcall);
687 smx_activity_t sync = simcall->issuer->join(process, timeout);
688 sync->simcalls_.push_back(simcall);
689 simcall->issuer->waiting_synchro = sync;
692 void simcall_HANDLER_process_sleep(smx_simcall_t simcall, double duration)
694 if (MC_is_active() || MC_record_replay_is_active()) {
695 MC_process_clock_add(simcall->issuer, duration);
696 simcall_process_sleep__set__result(simcall, SIMIX_DONE);
697 SIMIX_simcall_answer(simcall);
700 smx_activity_t sync = simcall->issuer->sleep(duration);
701 sync->simcalls_.push_back(simcall);
702 simcall->issuer->waiting_synchro = sync;
705 void SIMIX_process_sleep_destroy(simgrid::kernel::activity::SleepImplPtr sleep)
707 XBT_DEBUG("Destroy sleep synchro %p", sleep.get());
709 if (sleep->surf_action_) {
710 sleep->surf_action_->unref();
711 sleep->surf_action_ = nullptr;
716 * @brief Calling this function makes the process to yield.
718 * Only the current process can call this function, giving back the control to maestro.
720 * @param self the current process
723 /** @brief Returns the list of processes to run.
726 const std::vector<smx_actor_t>& simgrid::simix::process_get_runnable()
728 return simix_global->actors_to_run;
731 /** @brief Returns the process from PID. */
732 smx_actor_t SIMIX_process_from_PID(aid_t PID)
734 auto actor = simix_global->process_list.find(PID);
735 return actor == simix_global->process_list.end() ? nullptr : actor->second;
738 void SIMIX_process_on_exit(smx_actor_t actor, int_f_pvoid_pvoid_t fun, void* data)
740 SIMIX_process_on_exit(actor, [fun](int a, void* b) { fun((void*)(intptr_t)a, b); }, data);
743 void SIMIX_process_on_exit(smx_actor_t actor, const std::function<void(bool, void*)>& fun, void* data)
745 xbt_assert(actor, "current process not found: are you in maestro context ?");
747 actor->on_exit.emplace_back(s_smx_process_exit_fun_t{fun, data});
750 /** @brief Restart a process, starting it again from the beginning. */
752 * @ingroup simix_process_management
753 * @brief Creates and runs a new SIMIX process.
755 * The structure and the corresponding thread are created and put in the list of ready processes.
757 * @param name a name for the process. It is for user-level information and can be nullptr.
758 * @param code the main function of the process
759 * @param data a pointer to any data one may want to attach to the new object. It is for user-level information and can
761 * It can be retrieved with the method ActorImpl::getUserData().
762 * @param host where the new agent is executed.
763 * @param properties the properties of the process
765 smx_actor_t simcall_process_create(const std::string& name, const simgrid::simix::ActorCode& code, void* data,
766 sg_host_t host, std::unordered_map<std::string, std::string>* properties)
768 smx_actor_t self = SIMIX_process_self();
769 return simgrid::simix::simcall([&name, &code, data, host, properties, self] {
770 return simgrid::kernel::actor::ActorImpl::create(name, code, data, host, properties, self).get();
774 void simcall_process_set_data(smx_actor_t process, void* data)
776 simgrid::simix::simcall([process, data] { process->set_user_data(data); });