X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9b4e5a12b9e11e584c2c5af4d96e38b8220a72b9..1afd7a413d626bbaa56a551882c53dfa6b649cb0:/src/s4u/s4u_Actor.cpp diff --git a/src/s4u/s4u_Actor.cpp b/src/s4u/s4u_Actor.cpp index 944b97c2f8..363569617b 100644 --- a/src/s4u/s4u_Actor.cpp +++ b/src/s4u/s4u_Actor.cpp @@ -32,10 +32,6 @@ xbt::signal s4u::Actor::on_suspend; xbt::signal s4u::Actor::on_resume; xbt::signal s4u::Actor::on_sleep; xbt::signal s4u::Actor::on_wake_up; -#ifndef DOXYGEN -xbt::signal s4u::Actor::on_migration_start; // XBT_ATTRIB_DEPRECATED_v329 -xbt::signal s4u::Actor::on_migration_end; // XBT_ATTRIB_DEPRECATED_v329 -#endif xbt::signal s4u::Actor::on_host_change; xbt::signal s4u::Actor::on_termination; xbt::signal s4u::Actor::on_destruction; @@ -116,7 +112,7 @@ void Actor::join(double timeout) const const kernel::actor::ActorImpl* target = pimpl_; kernel::actor::simcall_blocking([issuer, target, timeout] { if (target->finished_) { - // The joined process is already finished, just wake up the issuer right away + // The joined actor is already finished, just wake up the issuer right away issuer->simcall_answer(); } else { kernel::activity::ActivityImplPtr sync = issuer->join(target, timeout); @@ -144,40 +140,17 @@ void Actor::on_exit(const std::function& fun) const void Actor::set_host(Host* new_host) { - if (s4u::Actor::on_migration_start.get_slot_count() > 0) { // XBT_ATTRIB_DEPRECATED_v329 - static bool already_warned = false; - if (not already_warned) { - XBT_INFO("Please use s4u::Actor::on_host_change instead of s4u::Actor::on_migration_start. This will be removed " - "in v3.29"); - already_warned = true; - } - s4u::Actor::on_migration_start(*this); - } - const s4u::Host* previous_location = get_host(); kernel::actor::simcall([this, new_host]() { - if (pimpl_->waiting_synchro_ != nullptr) { - // The actor is blocked on an activity. If it's an exec, migrate it too. + for (auto const& activity : pimpl_->activities_) { // FIXME: implement the migration of other kinds of activities - kernel::activity::ExecImplPtr exec = - boost::dynamic_pointer_cast(pimpl_->waiting_synchro_); - xbt_assert(exec.get() != nullptr, "We can only migrate blocked actors when they are blocked on executions."); - exec->migrate(new_host); + if (auto exec = boost::dynamic_pointer_cast(activity)) + exec->migrate(new_host); } this->pimpl_->set_host(new_host); }); - if (s4u::Actor::on_migration_end.get_slot_count() > 0) { // XBT_ATTRIB_DEPRECATED_v329 - static bool already_warned = false; - if (not already_warned) { - XBT_INFO("Please use s4u::Actor::on_host_change instead of s4u::Actor::on_migration_end. This will be removed in " - "v3.29"); - already_warned = true; - } - s4u::Actor::on_migration_end(*this); - } - s4u::Actor::on_host_change(*this, *previous_location); } @@ -318,22 +291,34 @@ void sleep_for(double duration) { xbt_assert(std::isfinite(duration), "duration is not finite!"); - if (duration > 0) { - kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self(); - Actor::on_sleep(*issuer->get_ciface()); - - kernel::actor::simcall_blocking([issuer, duration]() { - if (MC_is_active() || MC_record_replay_is_active()) { - MC_process_clock_add(issuer, duration); - issuer->simcall_answer(); - return; - } - kernel::activity::ActivityImplPtr sync = issuer->sleep(duration); - sync->register_simcall(&issuer->simcall_); - }); - - Actor::on_wake_up(*issuer->get_ciface()); + if (duration <= 0) /* that's a no-op */ + return; + + if (duration < sg_surf_precision) { + static unsigned int warned = 0; // At most 20 such warnings + warned++; + if (warned <= 20) + XBT_INFO("The parameter to sleep_for() is smaller than the SimGrid numerical accuracy (%g < %g). " + "Please refer to https://simgrid.org/doc/latest/Configuring_SimGrid.html#numerical-precision", + duration, sg_surf_precision); + if (warned == 20) + XBT_VERB("(further warnings about the numerical accuracy of sleep_for() will be omitted)."); } + + kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self(); + Actor::on_sleep(*issuer->get_ciface()); + + kernel::actor::simcall_blocking([issuer, duration]() { + if (MC_is_active() || MC_record_replay_is_active()) { + MC_process_clock_add(issuer, duration); + issuer->simcall_answer(); + return; + } + kernel::activity::ActivityImplPtr sync = issuer->sleep(duration); + sync->register_simcall(&issuer->simcall_); + }); + + Actor::on_wake_up(*issuer->get_ciface()); } void yield() @@ -343,7 +328,7 @@ void yield() XBT_PUBLIC void sleep_until(double wakeup_time) { - double now = SIMIX_get_clock(); + double now = s4u::Engine::get_clock(); if (wakeup_time > now) sleep_for(wakeup_time - now); } @@ -364,12 +349,6 @@ void parallel_execute(const std::vector& hosts, const std::vectorwait(); } -void parallel_execute(const std::vector& hosts, const std::vector& flops_amounts, - const std::vector& bytes_amounts, double timeout) // XBT_ATTRIB_DEPRECATED_v329 -{ - exec_init(hosts, flops_amounts, bytes_amounts)->wait_for(timeout); -} - ExecPtr exec_init(double flops_amount) { return Exec::init()->set_flops_amount(flops_amount)->set_host(get_host()); @@ -378,7 +357,7 @@ ExecPtr exec_init(double flops_amount) ExecPtr exec_init(const std::vector& hosts, const std::vector& flops_amounts, const std::vector& bytes_amounts) { - xbt_assert(hosts.size() > 0, "Your parallel executions must span over at least one host."); + xbt_assert(not hosts.empty(), "Your parallel executions must span over at least one host."); xbt_assert(hosts.size() == flops_amounts.size() || flops_amounts.empty(), "Host count (%zu) does not match flops_amount count (%zu).", hosts.size(), flops_amounts.size()); xbt_assert(hosts.size() * hosts.size() == bytes_amounts.size() || bytes_amounts.empty(), @@ -459,10 +438,6 @@ void set_host(Host* new_host) { simgrid::kernel::actor::ActorImpl::self()->get_iface()->set_host(new_host); } -void migrate(Host* new_host) // XBT_ATTRIB_DEPRECATED_v329 -{ - set_host(new_host); -} } // namespace this_actor } // namespace s4u @@ -481,7 +456,7 @@ sg_actor_t* sg_actor_list() xbt_assert(actor_count > 0, "There is no actor!"); std::vector actors = e->get_all_actors(); - sg_actor_t* res = xbt_new(sg_actor_t, actors.size()); + auto* res = xbt_new(sg_actor_t, actors.size()); for (size_t i = 0; i < actor_count; i++) res[i] = actors[i].get(); return res; @@ -678,10 +653,6 @@ void sg_actor_set_host(sg_actor_t actor, sg_host_t host) { actor->set_host(host); } -void sg_actor_migrate(sg_actor_t process, sg_host_t host) // XBT_ATTRIB_DEPRECATED_v329 -{ - process->set_host(host); -} /** * @brief Wait for the completion of a #sg_actor_t. @@ -742,10 +713,11 @@ sg_actor_t sg_actor_attach(const char* name, void* data, sg_host_t host, xbt_dic props[key] = value; xbt_dict_free(&properties); - /* Let's create the process: SIMIX may decide to start it right now, even before returning the flow control to us */ + /* Let's create the actor: SIMIX may decide to start it right now, even before returning the flow control to us */ smx_actor_t actor = nullptr; try { - actor = simgrid::kernel::actor::ActorImpl::attach(name, data, host, &props).get(); + actor = simgrid::kernel::actor::ActorImpl::attach(name, data, host).get(); + actor->set_properties(props); } catch (simgrid::HostFailureException const&) { xbt_die("Could not attach"); } @@ -859,9 +831,9 @@ void sg_actor_data_set(sg_actor_t actor, void* userdata) // XBT_ATTRIB_DEPRECATE sg_actor_set_data(actor, userdata); } -/** @brief Add a function to the list of "on_exit" functions for the current process. - * The on_exit functions are the functions executed when your process is killed. - * You should use them to free the data used by your process. +/** @brief Add a function to the list of "on_exit" functions for the current actor. + * The on_exit functions are the functions executed when your actor is killed. + * You should use them to free the data used by your actor. */ void sg_actor_on_exit(void_f_int_pvoid_t fun, void* data) {