X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7d28d93b90eedd2a49da8b9b990296669e46d05c..080541387d2296c808397215b8c9401a9f97a1d5:/src/kernel/actor/ActorImpl.cpp diff --git a/src/kernel/actor/ActorImpl.cpp b/src/kernel/actor/ActorImpl.cpp index fa893bd00e..862475e682 100644 --- a/src/kernel/actor/ActorImpl.cpp +++ b/src/kernel/actor/ActorImpl.cpp @@ -1,27 +1,26 @@ -/* Copyright (c) 2007-2020. 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 +#include +#include + +#define SIMIX_H_NO_DEPRECATED_WARNING // avoid deprecation warning on include (remove with XBT_ATTRIB_DEPRECATED_v333) +#include + +#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 +#include +#include #include -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. @@ -30,7 +29,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix, "Logging specific to SIMIX * * @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(); } @@ -40,10 +39,18 @@ namespace kernel { namespace actor { static unsigned long maxpid = 0; -int get_maxpid() +unsigned long get_maxpid() { return maxpid; } +unsigned long* get_maxpid_addr() +{ + return &maxpid; +} +ActorImpl* ActorImpl::by_pid(aid_t pid) +{ + return EngineImpl::get_instance()->get_actor_by_pid(pid); +} ActorImpl* ActorImpl::self() { @@ -56,12 +63,12 @@ ActorImpl::ActorImpl(xbt::string name, s4u::Host* host) : host_(host), name_(std { 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()); } @@ -73,11 +80,10 @@ ActorImpl::~ActorImpl() * 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* 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()) { @@ -87,24 +93,18 @@ ActorImplPtr ActorImpl::attach(const std::string& name, void* data, s4u::Host* h 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(actor->context_.get()); @@ -125,25 +125,27 @@ ActorImplPtr ActorImpl::attach(const std::string& name, void* data, s4u::Host* h void ActorImpl::detach() { auto* context = dynamic_cast(context::Context::self()); - if (context == nullptr) - xbt_die("Not a suitable context"); + xbt_assert(context != nullptr, "Not a suitable context"); context->get_actor()->cleanup(); 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 lock(simix_global->mutex); - simix_global->process_list.erase(pid_); + auto* engine = EngineImpl::get_instance(); + const std::lock_guard 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()) { -#if SIMGRID_HAVE_MC - xbt_dynar_push_as(simix_global->dead_actors_vector, ActorImpl*, this); -#endif - simix_global->actors_to_destroy.push_back(*this); - } + host_->get_impl()->remove_actor(this); + if (not kernel_destroy_list_hook.is_linked()) + engine->add_actor_to_destroy_list(*this); } void ActorImpl::cleanup() @@ -153,7 +155,7 @@ void ActorImpl::cleanup() if (has_to_auto_restart() && not get_host()->is_on()) { XBT_DEBUG("Insert host %s to watched_hosts because it's off and %s needs to restart", get_host()->get_cname(), get_cname()); - watched_hosts.insert(get_host()->get_name()); + watched_hosts().insert(get_host()->get_name()); } if (on_exit) { @@ -170,9 +172,12 @@ void ActorImpl::cleanup() activity->cancel(); activities_.clear(); + while (not mailboxes.empty()) + mailboxes.back()->set_receiver(nullptr); + 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()); @@ -190,7 +195,7 @@ void ActorImpl::cleanup() cleanup_from_simix(); context_->set_wannadie(false); // don't let the simcall's yield() do a Context::stop(), to avoid infinite loops - actor::simcall([this] { s4u::Actor::on_termination(*get_ciface()); }); + actor::simcall_answered([this] { s4u::Actor::on_termination(*get_ciface()); }); context_->set_wannadie(); } @@ -201,27 +206,20 @@ void ActorImpl::exit() exception_ = nullptr; /* destroy the blocking synchro if any */ - if (waiting_synchro_ != nullptr) { - waiting_synchro_->cancel(); - waiting_synchro_->state_ = activity::State::FAILED; - - activity::ExecImplPtr exec = boost::dynamic_pointer_cast(waiting_synchro_); - activity::CommImplPtr comm = boost::dynamic_pointer_cast(waiting_synchro_); - - if (exec != nullptr) { - exec->clean_action(); - } else if (comm != nullptr) { - // Remove first occurrence of &actor->simcall: - auto i = boost::range::find(waiting_synchro_->simcalls_, &simcall_); - if (i != waiting_synchro_->simcalls_.end()) - waiting_synchro_->simcalls_.remove(&simcall_); - } else { - activity::ActivityImplPtr(waiting_synchro_)->finish(); - } - + if (auto activity = waiting_synchro_) { activities_.remove(waiting_synchro_); waiting_synchro_ = nullptr; + + activity->cancel(); + activity->set_state(activity::State::FAILED); + activity->post(); } + for (auto const& activity : activities_) + activity->cancel(); + activities_.clear(); + + while (not mailboxes.empty()) + mailboxes.back()->set_receiver(nullptr); // 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"))); @@ -229,7 +227,7 @@ void ActorImpl::exit() 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()); @@ -243,28 +241,23 @@ void ActorImpl::kill(ActorImpl* actor) const 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; }); @@ -272,7 +265,7 @@ void ActorImpl::set_kill_time(double kill_time) double ActorImpl::get_kill_time() const { - return kill_timer_ ? kill_timer_->get_date() : 0; + return kill_timer_ ? kill_timer_->get_date() : 0.0; } void ActorImpl::yield() @@ -281,7 +274,6 @@ void ActorImpl::yield() /* Go into sleep and return control to maestro */ context_->suspend(); - /* Ok, maestro returned control to us */ XBT_DEBUG("Control returned to me: '%s'", get_cname()); @@ -293,12 +285,7 @@ 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() } @@ -306,12 +293,16 @@ void ActorImpl::yield() XBT_DEBUG("Wait, maestro left me an exception"); std::exception_ptr exception = std::move(exception_); exception_ = nullptr; - std::rethrow_exception(std::move(exception)); - } - - if (SMPI_switch_data_segment && not finished_) { - SMPI_switch_data_segment(get_iface()); + try { + std::rethrow_exception(std::move(exception)); + } catch (const simgrid::Exception& e) { + e.rethrow_nested(XBT_THROW_POINT, boost::core::demangle(typeid(e).name()) + " raised in kernel mode."); + } } +#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 */ @@ -319,38 +310,33 @@ void ActorImpl::daemonize() { 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); @@ -367,10 +353,9 @@ void ActorImpl::suspend() 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() @@ -386,11 +371,11 @@ 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(); } @@ -433,24 +418,24 @@ void ActorImpl::throw_exception(std::exception_ptr e) 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); - xbt_assert(simcall_.call_ != SIMCALL_NONE); - simcall_.call_ = 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), + auto* engine = EngineImpl::get_instance(); + if (not this->is_maestro()) { + XBT_DEBUG("Answer simcall %s issued by %s (%p)", simcall_.get_cname(), get_cname(), this); + xbt_assert(simcall_.call_ != simix::Simcall::Type::NONE); + simcall_.call_ = simix::Simcall::Type::NONE; + 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 @@ -468,6 +453,7 @@ 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()); @@ -477,23 +463,21 @@ ActorImpl* ActorImpl::start(const ActorCode& code) 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* properties, const ActorImpl* parent_actor) { XBT_DEBUG("Start actor %s@'%s'", name.c_str(), host->get_cname()); @@ -504,12 +488,7 @@ ActorImplPtr ActorImpl::create(const std::string& name, const ActorCode& code, v 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); @@ -518,79 +497,32 @@ ActorImplPtr ActorImpl::create(const std::string& name, const ActorCode& code, v void create_maestro(const std::function& 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() -{ - return SIMIX_is_maestro() ? "maestro" : simgrid::kernel::actor::ActorImpl::self()->get_cname(); -} - -/** - * @brief Calling this function makes the process to yield. - * - * Only the current process can call this function, giving back the control to maestro. - * - * @param self the current process - */ - -/** @brief Returns the process from PID. */ -smx_actor_t SIMIX_process_from_PID(aid_t PID) -{ - auto item = simix_global->process_list.find(PID); - if (item == simix_global->process_list.end()) { - for (auto& a : simix_global->actors_to_destroy) - if (a.get_pid() == PID) - return &a; - return nullptr; // Not found, even in the trash - } - return item->second; -} - -void SIMIX_process_on_exit(smx_actor_t actor, - const std::function& fun) // XBT_ATTRIB_DEPRECATED_v329 +/* 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 { - xbt_assert(actor, "current process not found: are you in maestro context ?"); - actor->on_exit->emplace_back(fun); + return simgrid::s4u::Actor::is_maestro() ? "maestro" : simgrid::kernel::actor::ActorImpl::self()->get_cname(); } -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(); }