-/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2022. 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 "mc/mc.h"
-#include "simgrid/Exception.hpp"
-#include "simgrid/s4u/Actor.hpp"
-#include "simgrid/s4u/Exec.hpp"
-#include "src/kernel/activity/CommImpl.hpp"
-#include "src/kernel/activity/ExecImpl.hpp"
-#include "src/kernel/activity/IoImpl.hpp"
-#include "src/kernel/activity/SleepImpl.hpp"
-#include "src/kernel/activity/SynchroRaw.hpp"
-#include "src/mc/mc_replay.hpp"
-#include "src/mc/remote/AppSide.hpp"
-#include "src/simix/smx_private.hpp"
+#include <simgrid/Exception.hpp>
+#include <simgrid/s4u/Actor.hpp>
+#include <simgrid/s4u/Host.hpp>
+
+#include "src/kernel/EngineImpl.hpp"
+#if HAVE_SMPI
+#include "src/smpi/include/private.hpp"
+#endif
#include "src/surf/HostImpl.hpp"
-#include "src/surf/cpu_interface.hpp"
#include <boost/core/demangle.hpp>
+#include <typeinfo>
#include <utility>
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix, "Logging specific to SIMIX (process)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_actor, kernel, "Logging specific to Actor's kernel side");
/**
* @brief Returns the current agent.
*
* @return The SIMIX process
*/
-smx_actor_t SIMIX_process_self()
+smx_actor_t SIMIX_process_self() // XBT_ATTRIB_DEPRECATED_v333
{
return simgrid::kernel::actor::ActorImpl::self();
}
{
return maxpid;
}
-void* get_maxpid_addr()
+unsigned long* get_maxpid_addr()
{
return &maxpid;
}
ActorImpl* ActorImpl::by_pid(aid_t pid)
{
- auto item = simix_global->process_list.find(pid);
- if (item != simix_global->process_list.end())
- return item->second;
-
- // Search the trash
- for (auto& a : simix_global->actors_to_destroy)
- if (a.get_pid() == pid)
- return &a;
- return nullptr; // Not found, even in the trash
+ return EngineImpl::get_instance()->get_actor_by_pid(pid);
}
ActorImpl* ActorImpl::self()
{
pid_ = maxpid++;
simcall_.issuer_ = this;
- stacksize_ = smx_context_stack_size;
+ stacksize_ = context::stack_size;
}
ActorImpl::~ActorImpl()
{
- if (simix_global != nullptr && this != simix_global->maestro_)
+ if (EngineImpl::has_instance() && not EngineImpl::get_instance()->is_maestro(this))
s4u::Actor::on_destruction(*get_ciface());
}
* In the future, it might be extended in order to attach other threads created by a third party library.
*/
-ActorImplPtr ActorImpl::attach(const std::string& name, void* data, s4u::Host* host,
- const std::unordered_map<std::string, std::string>* properties)
+ActorImplPtr ActorImpl::attach(const std::string& name, void* data, s4u::Host* host)
{
// This is mostly a copy/paste from create(), it'd be nice to share some code between those two functions.
-
+ auto* engine = EngineImpl::get_instance();
XBT_DEBUG("Attach actor %s on host '%s'", name.c_str(), host->get_cname());
if (not host->is_on()) {
auto* actor = new ActorImpl(xbt::string(name), host);
/* Actor data */
- actor->set_user_data(data);
+ actor->piface_.set_data(data);
actor->code_ = nullptr;
XBT_VERB("Create context %s", actor->get_cname());
- xbt_assert(simix_global != nullptr, "simix is not initialized, please call MSG_init first");
- actor->context_.reset(simix_global->context_factory->attach(actor));
-
- /* Add properties */
- if (properties != nullptr)
- actor->set_properties(*properties);
+ actor->context_.reset(engine->get_context_factory()->attach(actor));
/* Add the actor to it's host actor list */
- host->pimpl_->add_actor(actor);
+ host->get_impl()->add_actor(actor);
/* Now insert it in the global actor list and in the actors to run list */
- simix_global->process_list[actor->get_pid()] = actor;
- XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), host->get_cname());
- simix_global->actors_to_run.push_back(actor);
+ engine->add_actor(actor->get_pid(), actor);
+ engine->add_actor_to_run_list_no_check(actor);
intrusive_ptr_add_ref(actor);
auto* context = dynamic_cast<context::AttachContext*>(actor->context_.get());
context->attach_stop();
}
+/** Whether this actor is actually maestro */
+bool ActorImpl::is_maestro() const
+{
+ return context_->is_maestro();
+}
+
void ActorImpl::cleanup_from_simix()
{
- const std::lock_guard<std::mutex> lock(simix_global->mutex);
- simix_global->process_list.erase(pid_);
+ auto* engine = EngineImpl::get_instance();
+ const std::lock_guard<std::mutex> lock(engine->get_mutex());
+ engine->remove_actor(pid_);
if (host_ && host_actor_list_hook.is_linked())
- host_->pimpl_->remove_actor(this);
- if (not smx_destroy_list_hook.is_linked()) {
+ host_->get_impl()->remove_actor(this);
+ if (not kernel_destroy_list_hook.is_linked()) {
#if SIMGRID_HAVE_MC
- xbt_dynar_push_as(simix_global->dead_actors_vector, ActorImpl*, this);
+ engine->add_dead_actor_to_dynar(this);
#endif
- simix_global->actors_to_destroy.push_back(*this);
+ engine->add_actor_to_destroy_list(*this);
}
}
XBT_DEBUG("%s@%s(%ld) should not run anymore", get_cname(), get_host()->get_cname(), get_pid());
- if (this == simix_global->maestro_) /* Do not cleanup maestro */
+ if (EngineImpl::get_instance()->is_maestro(this)) /* Do not cleanup maestro */
return;
XBT_DEBUG("Cleanup actor %s (%p), waiting synchro %p", get_cname(), this, waiting_synchro_.get());
activities_.remove(waiting_synchro_);
waiting_synchro_ = nullptr;
}
+ for (auto const& activity : activities_)
+ activity->cancel();
+ activities_.clear();
// Forcefully kill the actor if its host is turned off. Not a HostFailureException because you should not survive that
this->throw_exception(std::make_exception_ptr(ForcefulKillException(host_->is_on() ? "exited" : "host failed")));
void ActorImpl::kill(ActorImpl* actor) const
{
- xbt_assert(actor != simix_global->maestro_, "Killing maestro is a rather bad idea");
+ xbt_assert(not actor->is_maestro(), "Killing maestro is a rather bad idea.");
if (actor->finished_) {
XBT_DEBUG("Ignoring request to kill actor %s@%s that is already dead", actor->get_cname(),
actor->host_->get_cname());
if (actor == this) {
XBT_DEBUG("Go on, this is a suicide,");
- } else if (std::find(begin(simix_global->actors_to_run), end(simix_global->actors_to_run), actor) !=
- end(simix_global->actors_to_run)) {
- XBT_DEBUG("Actor %s is already in the to_run list", actor->get_cname());
- } else {
- XBT_DEBUG("Inserting %s in the to_run list", actor->get_cname());
- simix_global->actors_to_run.push_back(actor);
- }
+ } else
+ EngineImpl::get_instance()->add_actor_to_run_list(actor);
}
void ActorImpl::kill_all() const
{
- for (auto const& kv : simix_global->process_list)
+ for (auto const& kv : EngineImpl::get_instance()->get_actor_list())
if (kv.second != this)
this->kill(kv.second);
}
void ActorImpl::set_kill_time(double kill_time)
{
- if (kill_time <= SIMIX_get_clock())
+ if (kill_time <= s4u::Engine::get_clock())
return;
XBT_DEBUG("Set kill time %f for actor %s@%s", kill_time, get_cname(), host_->get_cname());
- kill_timer_ = simix::Timer::set(kill_time, [this] {
+ kill_timer_ = timer::Timer::set(kill_time, [this] {
this->exit();
kill_timer_ = nullptr;
});
double ActorImpl::get_kill_time() const
{
- return kill_timer_ ? kill_timer_->date : 0.0;
+ return kill_timer_ ? kill_timer_->get_date() : 0.0;
}
void ActorImpl::yield()
if (suspended_) {
XBT_DEBUG("Hey! I'm suspended.");
-
xbt_assert(exception_ == nullptr, "Gasp! This exception may be lost by subsequent calls.");
-
- if (waiting_synchro_ != nullptr) // Not sure of when this will happen. Maybe when suspending early in the SR when a
- waiting_synchro_->suspend(); // waiting_synchro was terminated
-
yield(); // Yield back to maestro without proceeding with my execution. I'll get rescheduled by resume()
}
}
}
- if (SMPI_switch_data_segment && not finished_) {
- SMPI_switch_data_segment(get_iface());
- }
+#if HAVE_SMPI
+ if (not finished_)
+ smpi_switch_data_segment(get_iface());
+#endif
}
/** This actor will be terminated automatically when the last non-daemon actor finishes */
{
if (not daemon_) {
daemon_ = true;
- simix_global->daemons.push_back(this);
+ EngineImpl::get_instance()->add_daemon(this);
}
}
void ActorImpl::undaemonize()
{
if (daemon_) {
- auto& vect = simix_global->daemons;
- auto it = std::find(vect.begin(), vect.end(), this);
- xbt_assert(it != vect.end(), "The dying daemon is not a daemon after all. Please report that bug.");
- /* Don't move the whole content since we don't really care about the order */
-
- std::swap(*it, vect.back());
- vect.pop_back();
daemon_ = false;
+ EngineImpl::get_instance()->remove_daemon(this);
}
}
s4u::Actor* ActorImpl::restart()
{
- xbt_assert(this != simix_global->maestro_, "Restarting maestro is not supported");
+ xbt_assert(not this->is_maestro(), "Restarting maestro is not supported");
XBT_DEBUG("Restarting actor %s on %s", get_cname(), host_->get_cname());
// retrieve the arguments of the old actor
- ProcessArg arg = ProcessArg(host_, this);
+ ProcessArg arg(host_, this);
// kill the old actor
context::Context::self()->get_actor()->kill(this);
// start the new actor
- ActorImplPtr actor = ActorImpl::create(arg.name, arg.code, arg.data, arg.host, arg.properties.get(), nullptr);
+ ActorImplPtr actor = ActorImpl::create(arg.name, arg.code, arg.data, arg.host, nullptr);
+ actor->set_properties(arg.properties);
*actor->on_exit = std::move(*arg.on_exit);
actor->set_kill_time(arg.kill_time);
actor->set_auto_restart(arg.auto_restart);
suspended_ = true;
- /* If the suspended actor is waiting on a sync, suspend its synchronization.
- * Otherwise, it will suspend itself when scheduled, ie, very soon. */
- if (waiting_synchro_ != nullptr)
- waiting_synchro_->suspend();
+ /* Suspend the activities associated with this actor. */
+ for (auto const& activity : activities_)
+ activity->suspend();
}
void ActorImpl::resume()
return;
suspended_ = false;
- /* resume the activity that was blocking the resumed actor. */
- if (waiting_synchro_)
- waiting_synchro_->resume();
- else // Reschedule the actor if it was forcefully unscheduled in yield()
- simix_global->actors_to_run.push_back(this);
+ /* resume the activities that were blocked when suspending the actor. */
+ for (auto const& activity : activities_)
+ activity->resume();
+ if (not waiting_synchro_) // Reschedule the actor if it was forcefully unscheduled in yield()
+ EngineImpl::get_instance()->add_actor_to_run_list_no_check(this);
XBT_OUT();
}
void ActorImpl::simcall_answer()
{
- if (this != simix_global->maestro_) {
- XBT_DEBUG("Answer simcall %s (%d) issued by %s (%p)", SIMIX_simcall_name(simcall_.call_), (int)simcall_.call_,
- get_cname(), this);
+ auto* engine = EngineImpl::get_instance();
+ if (not this->is_maestro()) {
+ XBT_DEBUG("Answer simcall %s issued by %s (%p)", SIMIX_simcall_name(simcall_), get_cname(), this);
xbt_assert(simcall_.call_ != simix::Simcall::NONE);
simcall_.call_ = simix::Simcall::NONE;
- xbt_assert(not XBT_LOG_ISENABLED(simix_process, xbt_log_priority_debug) ||
- std::find(begin(simix_global->actors_to_run), end(simix_global->actors_to_run), this) ==
- end(simix_global->actors_to_run),
+ const auto& actors_to_run = engine->get_actors_to_run();
+ xbt_assert(not XBT_LOG_ISENABLED(ker_actor, xbt_log_priority_debug) ||
+ std::find(begin(actors_to_run), end(actors_to_run), this) == end(actors_to_run),
"Actor %p should not exist in actors_to_run!", this);
- simix_global->actors_to_run.push_back(this);
+ engine->add_actor_to_run_list_no_check(this);
}
}
void ActorImpl::set_host(s4u::Host* dest)
{
- host_->pimpl_->remove_actor(this);
+ host_->get_impl()->remove_actor(this);
host_ = dest;
- dest->pimpl_->add_actor(this);
+ dest->get_impl()->add_actor(this);
}
ActorImplPtr ActorImpl::init(const std::string& name, s4u::Host* host) const
ActorImpl* ActorImpl::start(const ActorCode& code)
{
xbt_assert(code && host_ != nullptr, "Invalid parameters");
+ auto* engine = EngineImpl::get_instance();
if (not host_->is_on()) {
XBT_WARN("Cannot launch actor '%s' on failed host '%s'", name_.c_str(), host_->get_cname());
this->code_ = code;
XBT_VERB("Create context %s", get_cname());
- context_.reset(simix_global->context_factory->create_context(ActorCode(code), this));
+ context_.reset(engine->get_context_factory()->create_context(ActorCode(code), this));
XBT_DEBUG("Start context '%s'", get_cname());
/* Add the actor to its host's actor list */
- host_->pimpl_->add_actor(this);
- simix_global->process_list[pid_] = this;
+ host_->get_impl()->add_actor(this);
+ engine->add_actor(pid_, this);
/* Now insert it in the global actor list and in the actor to run list */
- XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", this, get_cname(), host_->get_cname());
- simix_global->actors_to_run.push_back(this);
+ engine->add_actor_to_run_list_no_check(this);
return this;
}
ActorImplPtr ActorImpl::create(const std::string& name, const ActorCode& code, void* data, s4u::Host* host,
- const std::unordered_map<std::string, std::string>* properties,
const ActorImpl* parent_actor)
{
XBT_DEBUG("Start actor %s@'%s'", name.c_str(), host->get_cname());
else
actor = self()->init(xbt::string(name), host);
- /* actor data */
- actor->set_user_data(data);
-
- /* Add properties */
- if (properties != nullptr)
- actor->set_properties(*properties);
+ actor->piface_.set_data(data); /* actor data */
actor->start(code);
void create_maestro(const std::function<void()>& code)
{
+ auto* engine = EngineImpl::get_instance();
/* Create maestro actor and initialize it */
auto* maestro = new ActorImpl(xbt::string(""), /*host*/ nullptr);
if (not code) {
- maestro->context_.reset(simix_global->context_factory->create_context(ActorCode(), maestro));
+ maestro->context_.reset(engine->get_context_factory()->create_context(ActorCode(), maestro));
} else {
- maestro->context_.reset(simix_global->context_factory->create_maestro(ActorCode(code), maestro));
+ maestro->context_.reset(engine->get_context_factory()->create_maestro(ActorCode(code), maestro));
}
- maestro->simcall_.issuer_ = maestro;
- simix_global->maestro_ = maestro;
+ maestro->simcall_.issuer_ = maestro;
+ engine->set_maestro(maestro);
}
} // namespace actor
} // namespace kernel
} // namespace simgrid
-int SIMIX_process_count() // XBT_ATTRIB_DEPRECATED_v329
-{
- return simix_global->process_list.size();
-}
-
-void* SIMIX_process_self_get_data() // XBT_ATTRIB_DEPRECATED_v329
-{
- smx_actor_t self = simgrid::kernel::actor::ActorImpl::self();
-
- if (self == nullptr) {
- return nullptr;
- }
- return self->get_user_data();
-}
-
-void SIMIX_process_self_set_data(void* data) // XBT_ATTRIB_DEPRECATED_v329
-{
- simgrid::kernel::actor::ActorImpl::self()->set_user_data(data);
-}
-
-/* needs to be public and without simcall because it is called
- by exceptions and logging events */
-const char* SIMIX_process_self_get_name()
+/* needs to be public and without simcall because it is called by exceptions and logging events */
+const char* SIMIX_process_self_get_name() // XBT_ATTRIB_DEPRECATED_v333
{
- return SIMIX_is_maestro() ? "maestro" : simgrid::kernel::actor::ActorImpl::self()->get_cname();
+ return simgrid::s4u::Actor::is_maestro() ? "maestro" : simgrid::kernel::actor::ActorImpl::self()->get_cname();
}
/** @brief Returns the process from PID. */
-smx_actor_t SIMIX_process_from_PID(aid_t pid)
+smx_actor_t SIMIX_process_from_PID(aid_t pid) // XBT_ATTRIB_DEPRECATED_v331
{
return simgrid::kernel::actor::ActorImpl::by_pid(pid);
}
-void SIMIX_process_on_exit(smx_actor_t actor,
- const std::function<void(bool /*failed*/)>& fun) // XBT_ATTRIB_DEPRECATED_v329
-{
- xbt_assert(actor, "current process not found: are you in maestro context ?");
- actor->on_exit->emplace_back(fun);
-}
-
-void simcall_process_set_data(smx_actor_t process, void* data) // XBT_ATTRIB_DEPRECATED_v329
+int SIMIX_is_maestro() // XBT_ATTRIB_DEPRECATED_v333
{
- simgrid::kernel::actor::simcall([process, data] { process->set_user_data(data); });
+ const auto* self = simgrid::kernel::actor::ActorImpl::self();
+ return self != nullptr && self->is_maestro();
}
