-/* Copyright (c) 2006-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2019. 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/actor.h"
+#include "simgrid/modelchecker.h"
#include "simgrid/s4u/Actor.hpp"
#include "simgrid/s4u/Exec.hpp"
#include "simgrid/s4u/Host.hpp"
+#include "simgrid/s4u/VirtualMachine.hpp"
+#include "src/include/mc/mc.h"
#include "src/kernel/activity/ExecImpl.hpp"
-#include "src/simix/smx_host_private.hpp"
+#include "src/mc/mc_replay.hpp"
#include "src/simix/smx_private.hpp"
#include "src/surf/HostImpl.hpp"
+#include <algorithm>
#include <sstream>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor, "S4U actors");
namespace simgrid {
namespace s4u {
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_creation;
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_suspend;
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_resume;
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_sleep;
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_wake_up;
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_migration_start;
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_migration_end;
-simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Actor::on_destruction;
+xbt::signal<void(Actor&)> s4u::Actor::on_creation;
+xbt::signal<void(Actor const&)> s4u::Actor::on_suspend;
+xbt::signal<void(Actor const&)> s4u::Actor::on_resume;
+xbt::signal<void(Actor const&)> s4u::Actor::on_sleep;
+xbt::signal<void(Actor const&)> s4u::Actor::on_wake_up;
+xbt::signal<void(Actor const&)> s4u::Actor::on_migration_start;
+xbt::signal<void(Actor const&)> s4u::Actor::on_migration_end;
+xbt::signal<void(Actor const&)> s4u::Actor::on_termination;
+xbt::signal<void(Actor const&)> s4u::Actor::on_destruction;
// ***** Actor creation *****
-ActorPtr Actor::self()
+Actor* Actor::self()
{
- smx_context_t self_context = SIMIX_context_self();
+ kernel::context::Context* self_context = kernel::context::Context::self();
if (self_context == nullptr)
- return simgrid::s4u::ActorPtr();
+ return nullptr;
- return self_context->process()->iface();
+ return self_context->get_actor()->ciface();
}
-
-ActorPtr Actor::create(std::string name, s4u::Host* host, std::function<void()> code)
+ActorPtr Actor::init(const std::string& name, s4u::Host* host)
{
- simgrid::kernel::actor::ActorImpl* actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
+ smx_actor_t self = SIMIX_process_self();
+ kernel::actor::ActorImpl* actor =
+ kernel::actor::simcall([self, &name, host] { return self->init(name, host).get(); });
return actor->iface();
}
-ActorPtr Actor::create(std::string name, s4u::Host* host, std::string function, std::vector<std::string> args)
+ActorPtr Actor::start(const std::function<void()>& code)
+{
+ simgrid::kernel::actor::simcall([this, &code] { pimpl_->start(code); });
+ return this;
+}
+
+ActorPtr Actor::create(const std::string& name, s4u::Host* host, const std::function<void()>& code)
{
- simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
- simgrid::simix::ActorCode code = factory(std::move(args));
- simgrid::kernel::actor::ActorImpl* actor = simcall_process_create(name, std::move(code), nullptr, host, nullptr);
+ smx_actor_t self = SIMIX_process_self();
+ kernel::actor::ActorImpl* actor =
+ kernel::actor::simcall([self, &name, host, &code] { return self->init(name, host)->start(code); });
+
return actor->iface();
}
+ActorPtr Actor::create(const std::string& name, s4u::Host* host, const std::string& function,
+ std::vector<std::string> args)
+{
+ simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(function);
+ return create(name, host, factory(std::move(args)));
+}
+
void intrusive_ptr_add_ref(Actor* actor)
{
intrusive_ptr_add_ref(actor->pimpl_);
{
intrusive_ptr_release(actor->pimpl_);
}
+int Actor::get_refcount()
+{
+ return pimpl_->get_refcount();
+}
// ***** Actor methods *****
void Actor::join()
{
- simcall_process_join(this->pimpl_, -1);
+ join(-1);
}
void Actor::join(double timeout)
{
- simcall_process_join(this->pimpl_, timeout);
+ auto issuer = SIMIX_process_self();
+ auto target = pimpl_;
+ kernel::actor::simcall_blocking<void>([issuer, target, timeout] {
+ if (target->finished_) {
+ // The joined process is already finished, just wake up the issuer right away
+ issuer->simcall_answer();
+ } else {
+ smx_activity_t sync = issuer->join(target, timeout);
+ sync->register_simcall(&issuer->simcall);
+ }
+ });
}
void Actor::set_auto_restart(bool autorestart)
{
- simgrid::simix::simcall([this, autorestart]() {
- xbt_assert(autorestart && not pimpl_->auto_restart_); // FIXME: handle all cases
+ kernel::actor::simcall([this, autorestart]() {
+ xbt_assert(autorestart && not pimpl_->has_to_auto_restart()); // FIXME: handle all cases
pimpl_->set_auto_restart(autorestart);
- simgrid::kernel::actor::ProcessArg* arg = new simgrid::kernel::actor::ProcessArg(pimpl_->host_, pimpl_);
+ kernel::actor::ProcessArg* arg = new kernel::actor::ProcessArg(pimpl_->get_host(), pimpl_);
XBT_DEBUG("Adding Process %s to the actors_at_boot_ list of Host %s", arg->name.c_str(), arg->host->get_cname());
- pimpl_->host_->pimpl_->actors_at_boot_.emplace_back(arg);
+ pimpl_->get_host()->pimpl_->actors_at_boot_.emplace_back(arg);
});
}
-void Actor::on_exit(int_f_pvoid_pvoid_t fun, void* data) /* deprecated */
+void Actor::on_exit(const std::function<void(int, void*)>& fun, void* data) /* deprecated */
{
- simgrid::simix::simcall([this, fun, data] { SIMIX_process_on_exit(pimpl_, fun, data); });
+ on_exit([fun, data](bool failed) { fun(failed ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS, data); });
}
-void Actor::on_exit(std::function<void(int, void*)> fun, void* data)
+void Actor::on_exit(const std::function<void(bool /*failed*/)>& fun) const
{
- simgrid::simix::simcall([this, fun, data] { SIMIX_process_on_exit(pimpl_, fun, data); });
+ kernel::actor::simcall([this, &fun] { SIMIX_process_on_exit(pimpl_, fun); });
}
void Actor::migrate(Host* new_host)
{
- s4u::Actor::on_migration_start(this);
+ s4u::Actor::on_migration_start(*this);
- simgrid::simix::simcall([this, new_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.
// FIXME: implement the migration of other kind of activities
- simgrid::kernel::activity::ExecImplPtr exec =
- boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_->waiting_synchro);
+ kernel::activity::ExecImplPtr exec =
+ boost::dynamic_pointer_cast<kernel::activity::ExecImpl>(pimpl_->waiting_synchro);
xbt_assert(exec.get() != nullptr, "We can only migrate blocked actors when they are blocked on executions.");
exec->migrate(new_host);
}
- SIMIX_process_change_host(this->pimpl_, new_host);
+ this->pimpl_->set_host(new_host);
});
- s4u::Actor::on_migration_end(this);
+ s4u::Actor::on_migration_end(*this);
}
-s4u::Host* Actor::get_host()
+s4u::Host* Actor::get_host() const
{
- return this->pimpl_->host_;
+ return this->pimpl_->get_host();
}
void Actor::daemonize()
{
- simgrid::simix::simcall([this]() { pimpl_->daemonize(); });
+ kernel::actor::simcall([this]() { pimpl_->daemonize(); });
}
bool Actor::is_daemon() const
aid_t Actor::get_pid() const
{
- return this->pimpl_->pid_;
+ return this->pimpl_->get_pid();
}
aid_t Actor::get_ppid() const
{
- return this->pimpl_->ppid_;
+ return this->pimpl_->get_ppid();
}
void Actor::suspend()
{
- s4u::Actor::on_suspend(this);
- simcall_process_suspend(pimpl_);
+ auto issuer = SIMIX_process_self();
+ auto target = pimpl_;
+ s4u::Actor::on_suspend(*this);
+ kernel::actor::simcall_blocking<void>([issuer, target]() {
+ target->suspend(issuer);
+ if (target != issuer) {
+ /* If we are suspending ourselves, then just do not finish the simcall now */
+ issuer->simcall_answer();
+ }
+ });
}
void Actor::resume()
{
- simgrid::simix::simcall([this] { pimpl_->resume(); });
- s4u::Actor::on_resume(this);
+ kernel::actor::simcall([this] { pimpl_->resume(); });
+ s4u::Actor::on_resume(*this);
}
bool Actor::is_suspended()
{
- return simgrid::simix::simcall([this] { return pimpl_->suspended_; });
+ return pimpl_->is_suspended();
}
-void Actor::set_kill_time(double time)
+void Actor::set_kill_time(double kill_time)
{
- simcall_process_set_kill_time(pimpl_, time);
+ kernel::actor::simcall([this, kill_time] { pimpl_->set_kill_time(kill_time); });
}
/** @brief Get the kill time of an actor(or 0 if unset). */
double Actor::get_kill_time()
{
- return SIMIX_timer_get_date(pimpl_->kill_timer);
+ return pimpl_->get_kill_time();
}
-void Actor::kill(aid_t pid)
+void Actor::kill(aid_t pid) // deprecated
{
- smx_actor_t killer = SIMIX_process_self();
- smx_actor_t process = SIMIX_process_from_PID(pid);
- if (process != nullptr) {
- simgrid::simix::simcall([killer, process] { SIMIX_process_kill(process, killer); });
+ kernel::actor::ActorImpl* killer = SIMIX_process_self();
+ kernel::actor::ActorImpl* victim = SIMIX_process_from_PID(pid);
+ if (victim != nullptr) {
+ kernel::actor::simcall([killer, victim] { killer->kill(victim); });
} else {
std::ostringstream oss;
oss << "kill: (" << pid << ") - No such actor" << std::endl;
void Actor::kill()
{
- smx_actor_t process = SIMIX_process_self();
- simgrid::simix::simcall(
- [this, process] { SIMIX_process_kill(pimpl_, (pimpl_ == simix_global->maestro_process) ? pimpl_ : process); });
-}
-
-smx_actor_t Actor::get_impl()
-{
- return pimpl_;
+ kernel::actor::ActorImpl* process = SIMIX_process_self();
+ kernel::actor::simcall([this, process] {
+ xbt_assert(pimpl_ != simix_global->maestro_process, "Killing maestro is a rather bad idea");
+ process->kill(pimpl_);
+ });
}
// ***** Static functions *****
ActorPtr Actor::by_pid(aid_t pid)
{
- smx_actor_t process = SIMIX_process_from_PID(pid);
+ kernel::actor::ActorImpl* process = SIMIX_process_from_PID(pid);
if (process != nullptr)
return process->iface();
else
void Actor::kill_all()
{
- smx_actor_t self = SIMIX_process_self();
- simgrid::simix::simcall([&self] { SIMIX_process_killall(self); });
+ kernel::actor::ActorImpl* self = SIMIX_process_self();
+ kernel::actor::simcall([self] { self->kill_all(); });
}
-std::unordered_map<std::string, std::string>* Actor::get_properties()
+const std::unordered_map<std::string, std::string>* Actor::get_properties() const
{
- return simgrid::simix::simcall([this] { return this->pimpl_->get_properties(); });
+ return pimpl_->get_properties();
}
/** Retrieve the property value (or nullptr if not set) */
-const char* Actor::get_property(std::string key)
+const char* Actor::get_property(const std::string& key) const
{
- return simgrid::simix::simcall([this, key] { return pimpl_->get_property(key); });
+ return pimpl_->get_property(key);
}
-void Actor::set_property(std::string key, std::string value)
+void Actor::set_property(const std::string& key, const std::string& value)
{
- simgrid::simix::simcall([this, key, value] { pimpl_->set_property(key, value); });
+ kernel::actor::simcall([this, &key, &value] { pimpl_->set_property(key, value); });
}
Actor* Actor::restart()
{
- return simgrid::simix::simcall([this]() { return pimpl_->restart(); });
+ return kernel::actor::simcall([this]() { return pimpl_->restart(); });
}
// ***** this_actor *****
*/
bool is_maestro()
{
- smx_actor_t process = SIMIX_process_self();
+ kernel::actor::ActorImpl* process = SIMIX_process_self();
return process == nullptr || process == simix_global->maestro_process;
}
void sleep_for(double duration)
{
- if (duration > 0) {
- smx_actor_t actor = SIMIX_process_self();
- simgrid::s4u::Actor::on_sleep(actor->iface());
+ xbt_assert(std::isfinite(duration), "duration is not finite!");
- simcall_process_sleep(duration);
-
- simgrid::s4u::Actor::on_wake_up(actor->iface());
+ if (duration > 0) {
+ kernel::actor::ActorImpl* issuer = SIMIX_process_self();
+ Actor::on_sleep(*issuer->ciface());
+
+ kernel::actor::simcall_blocking<void>([issuer, duration]() {
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ MC_process_clock_add(issuer, duration);
+ issuer->simcall_answer();
+ return;
+ }
+ smx_activity_t sync = issuer->sleep(duration);
+ sync->register_simcall(&issuer->simcall);
+ });
+
+ Actor::on_wake_up(*issuer->ciface());
}
}
void yield()
{
- simgrid::simix::simcall([] { /* do nothing*/ });
+ kernel::actor::simcall([] { /* do nothing*/ });
}
-XBT_PUBLIC void sleep_until(double timeout)
+XBT_PUBLIC void sleep_until(double wakeup_time)
{
double now = SIMIX_get_clock();
- if (timeout > now)
- sleep_for(timeout - now);
+ if (wakeup_time > now)
+ sleep_for(wakeup_time - now);
}
void execute(double flops)
exec_init(flops)->set_priority(priority)->start()->wait();
}
-void parallel_execute(std::vector<s4u::Host*> hosts, std::vector<double> flops_amounts,
- std::vector<double> bytes_amounts)
+void parallel_execute(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
+ const std::vector<double>& bytes_amounts)
{
parallel_execute(hosts, flops_amounts, bytes_amounts, -1);
}
-void parallel_execute(std::vector<s4u::Host*> hosts, std::vector<double> flops_amounts,
- std::vector<double> bytes_amounts, double timeout)
+
+void parallel_execute(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
+ const std::vector<double>& bytes_amounts, double timeout)
{
xbt_assert(hosts.size() > 0, "Your parallel executions must span over at least one host.");
xbt_assert(hosts.size() == flops_amounts.size() || flops_amounts.empty(),
xbt_assert(hosts.size() * hosts.size() == bytes_amounts.size() || bytes_amounts.empty(),
"bytes_amounts must be a matrix of size host_count * host_count (%zu*%zu), but it's of size %zu.",
hosts.size(), hosts.size(), flops_amounts.size());
-
- /* The vectors live as parameter of parallel_execute. No copy is created for simcall_execution_parallel_start(),
- * but that's OK because simcall_execution_wait() is called from here too.
- */
- smx_activity_t s = simcall_execution_parallel_start("", hosts.size(), hosts.data(),
- (flops_amounts.empty() ? nullptr : flops_amounts.data()),
- (bytes_amounts.empty() ? nullptr : bytes_amounts.data()),
- /* rate */ -1, timeout);
- simcall_execution_wait(s);
+ /* Check that we are not mixing VMs and PMs in the parallel task */
+ bool is_a_vm = (nullptr != dynamic_cast<VirtualMachine*>(hosts.front()));
+ xbt_assert(std::all_of(hosts.begin(), hosts.end(),
+ [is_a_vm](s4u::Host* elm) {
+ bool tmp_is_a_vm = (nullptr != dynamic_cast<VirtualMachine*>(elm));
+ return is_a_vm == tmp_is_a_vm;
+ }),
+ "parallel_execute: mixing VMs and PMs is not supported (yet).");
+ /* checking for infinite values */
+ xbt_assert(std::all_of(flops_amounts.begin(), flops_amounts.end(), [](double elm) { return std::isfinite(elm); }),
+ "flops_amounts comprises infinite values!");
+ xbt_assert(std::all_of(bytes_amounts.begin(), bytes_amounts.end(), [](double elm) { return std::isfinite(elm); }),
+ "flops_amounts comprises infinite values!");
+
+ exec_init(hosts, flops_amounts, bytes_amounts)->set_timeout(timeout)->wait();
}
// deprecated
-void parallel_execute(int host_nb, s4u::Host** host_list, double* flops_amount, double* bytes_amount, double timeout)
+void parallel_execute(int host_nb, s4u::Host* const* host_list, const double* flops_amount, const double* bytes_amount,
+ double timeout)
{
smx_activity_t s =
simcall_execution_parallel_start("", host_nb, host_list, flops_amount, bytes_amount, /* rate */ -1, timeout);
}
// deprecated
-void parallel_execute(int host_nb, sg_host_t* host_list, double* flops_amount, double* bytes_amount)
+void parallel_execute(int host_nb, s4u::Host* const* host_list, const double* flops_amount, const double* bytes_amount)
{
smx_activity_t s = simcall_execution_parallel_start("", host_nb, host_list, flops_amount, bytes_amount,
/* rate */ -1, /*timeout*/ -1);
ExecPtr exec_init(double flops_amount)
{
- ExecPtr res = ExecPtr(new Exec());
- res->host_ = get_host();
- res->flops_amount_ = flops_amount;
- res->set_remaining(flops_amount);
- return res;
+ return ExecPtr(new ExecSeq(get_host(), flops_amount));
+}
+
+ExecPtr exec_init(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
+ const std::vector<double>& bytes_amounts)
+{
+ return ExecPtr(new ExecPar(hosts, flops_amounts, bytes_amounts));
}
ExecPtr exec_async(double flops)
aid_t get_pid()
{
- return SIMIX_process_self()->pid_;
+ return SIMIX_process_self()->get_pid();
}
aid_t get_ppid()
{
- return SIMIX_process_self()->ppid_;
+ return SIMIX_process_self()->get_ppid();
}
std::string get_name()
Host* get_host()
{
- return SIMIX_process_self()->host_;
+ return SIMIX_process_self()->get_host();
}
void suspend()
{
- smx_actor_t actor = SIMIX_process_self();
- simgrid::s4u::Actor::on_suspend(actor->iface());
-
- simcall_process_suspend(actor);
+ SIMIX_process_self()->iface()->suspend();
}
void resume()
{
- smx_actor_t process = SIMIX_process_self();
- simgrid::simix::simcall([process] { process->resume(); });
- simgrid::s4u::Actor::on_resume(process->iface());
+ kernel::actor::ActorImpl* self = SIMIX_process_self();
+ kernel::actor::simcall([self] { self->resume(); });
+ Actor::on_resume(*self->ciface());
}
-bool is_suspended()
+void exit()
{
- smx_actor_t process = SIMIX_process_self();
- return simgrid::simix::simcall([process] { return process->suspended_; });
+ kernel::actor::ActorImpl* self = SIMIX_process_self();
+ simgrid::kernel::actor::simcall([self] { self->exit(); });
}
-void exit()
+void on_exit(const std::function<void(bool)>& fun)
{
- smx_actor_t process = SIMIX_process_self();
- simgrid::simix::simcall([process] { SIMIX_process_kill(process, process); });
+ SIMIX_process_self()->iface()->on_exit(fun);
}
-void on_exit(std::function<void(int, void*)> fun, void* data)
+void on_exit(const std::function<void(int, void*)>& fun, void* data) /* deprecated */
{
- SIMIX_process_self()->iface()->on_exit(fun, data);
+ SIMIX_process_self()->iface()->on_exit([fun, data](bool exit) { fun(exit, data); });
}
/** @brief Moves the current actor to another host
SIMIX_process_self()->iface()->migrate(new_host);
}
-std::string getName() /* deprecated */
-{
- return get_name();
-}
-const char* getCname() /* deprecated */
-{
- return get_cname();
-}
-bool isMaestro() /* deprecated */
-{
- return is_maestro();
-}
-aid_t getPid() /* deprecated */
-{
- return get_pid();
-}
-aid_t getPpid() /* deprecated */
-{
- return get_ppid();
-}
-Host* getHost() /* deprecated */
-{
- return get_host();
-}
-bool isSuspended() /* deprecated */
-{
- return is_suspended();
-}
-void on_exit(int_f_pvoid_pvoid_t fun, void* data) /* deprecated */
-{
- SIMIX_process_self()->iface()->on_exit([fun](int a, void* b) { fun((void*)(intptr_t)a, b); }, data);
-}
-void onExit(int_f_pvoid_pvoid_t fun, void* data) /* deprecated */
-{
- on_exit([fun](int a, void* b) { fun((void*)(intptr_t)a, b); }, data);
-}
-void kill() /* deprecated */
-{
- exit();
-}
-
} // namespace this_actor
} // namespace s4u
} // namespace simgrid
*
* This function checks whether @a actor is a valid pointer and return its PID (or 0 in case of problem).
*/
-int sg_actor_get_PID(sg_actor_t actor)
+aid_t sg_actor_get_PID(sg_actor_t actor)
{
/* Do not raise an exception here: this function is called by the logs
* and the exceptions, so it would be called back again and again */
* This function checks whether @a actor is a valid pointer and return its parent's PID.
* Returns -1 if the actor has not been created by any other actor.
*/
-int sg_actor_get_PPID(sg_actor_t actor)
+aid_t sg_actor_get_PPID(sg_actor_t actor)
{
return actor->get_ppid();
}
{
xbt_assert(actor != nullptr, "Invalid parameter: First argument must not be nullptr");
xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f);
- std::unordered_map<std::string, std::string>* props = actor->get_properties();
+ const std::unordered_map<std::string, std::string>* props = actor->get_properties();
if (props == nullptr)
return nullptr;
for (auto const& kv : *props) {
{
simgrid::s4u::this_actor::yield();
}
+
+void sg_actor_sleep_for(double duration)
+{
+ simgrid::s4u::this_actor::sleep_for(duration);
+}
+
+sg_actor_t sg_actor_attach(const char* name, void* data, sg_host_t host, xbt_dict_t properties)
+{
+ xbt_assert(host != nullptr, "Invalid parameters: host and code params must not be nullptr");
+ std::unordered_map<std::string, std::string> props;
+ xbt_dict_cursor_t cursor = nullptr;
+ char* key;
+ char* value;
+ xbt_dict_foreach (properties, cursor, key, value)
+ 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 */
+ smx_actor_t actor = nullptr;
+ try {
+ actor = simgrid::kernel::actor::ActorImpl::attach(name, data, host, &props).get();
+ } catch (simgrid::HostFailureException const&) {
+ xbt_die("Could not attach");
+ }
+
+ simgrid::s4u::this_actor::yield();
+ return actor->ciface();
+}
+
+void sg_actor_detach()
+{
+ simgrid::kernel::actor::ActorImpl::detach();
+}
+
+aid_t sg_actor_self_get_pid()
+{
+ return simgrid::s4u::this_actor::get_pid();
+}
+
+aid_t sg_actor_self_get_ppid()
+{
+ return simgrid::s4u::this_actor::get_ppid();
+}
+
+const char* sg_actor_self_get_name()
+{
+ return simgrid::s4u::this_actor::get_cname();
+}
+
+sg_actor_t sg_actor_self()
+{
+ return simgrid::s4u::Actor::self();
+}
+
+void sg_actor_self_execute(double flops)
+{
+ simgrid::s4u::this_actor::execute(flops);
+}
+
+/** @brief Take an extra reference on that actor to prevent it to be garbage-collected */
+void sg_actor_ref(sg_actor_t actor)
+{
+ intrusive_ptr_add_ref(actor);
+}
+/** @brief Release a reference on that actor so that it can get be garbage-collected */
+void sg_actor_unref(sg_actor_t actor)
+{
+ intrusive_ptr_release(actor);
+}