#include "src/kernel/activity/SynchroRaw.hpp"
#include "src/mc/mc_replay.hpp"
#include "src/mc/remote/Client.hpp"
-#include "src/simix/smx_host_private.hpp"
#include "src/surf/HostImpl.hpp"
#include "src/surf/cpu_interface.hpp"
/**
* @brief Returns whether a process has pending asynchronous communications.
* @return true if there are asynchronous communications in this process
+ * @deprecated
*/
int SIMIX_process_has_pending_comms(smx_actor_t process) {
simcall.issuer = this;
}
-ActorImpl::~ActorImpl()
+ActorImpl::~ActorImpl() = default;
+
+/* Become an actor in the simulation
+ *
+ * Currently this can only be called by the main thread (once) and only work with some thread factories
+ * (currently ThreadContextFactory).
+ *
+ * In the future, it might be extended in order to attach other threads created by a third party library.
+ */
+
+ActorImplPtr ActorImpl::attach(std::string name, void* data, s4u::Host* host,
+ std::unordered_map<std::string, std::string>* properties)
+{
+ // This is mostly a copy/paste from create(), it'd be nice to share some code between those two functions.
+
+ XBT_DEBUG("Attach process %s on host '%s'", name.c_str(), host->get_cname());
+
+ if (not host->is_on()) {
+ XBT_WARN("Cannot launch process '%s' on failed host '%s'", name.c_str(), host->get_cname());
+ std::rethrow_exception(
+ std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Cannot attach actor on failed host.")));
+ }
+
+ ActorImpl* actor = new ActorImpl(xbt::string(name), host);
+ /* Actor data */
+ actor->set_user_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)
+ for (auto const& kv : *properties)
+ actor->set_property(kv.first, kv.second);
+
+ /* Add the process to it's host process list */
+ host->pimpl_->process_list_.push_back(*actor);
+
+ /* Now insert it in the global process list and in the process 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);
+ intrusive_ptr_add_ref(actor);
+
+ auto* context = dynamic_cast<simgrid::kernel::context::AttachContext*>(actor->context_.get());
+ xbt_assert(nullptr != context, "Not a suitable context");
+ context->attach_start();
+
+ /* The on_creation() signal must be delayed until there, where the pid and everything is set */
+ simgrid::s4u::ActorPtr tmp = actor->iface(); // Passing this directly to on_creation will lead to crashes
+ simgrid::s4u::Actor::on_creation(tmp);
+
+ return ActorImplPtr(actor);
+}
+/** @brief Detach an actor attached with `attach()`
+ *
+ * This is called when the current actor has finished its job.
+ * Used in the main thread, it waits for the simulation to finish before returning. When it returns, the other
+ * simulated actors and the maestro are destroyed.
+ */
+void ActorImpl::detach()
{
- delete this->context_;
+ auto* context = dynamic_cast<context::AttachContext*>(context::Context::self());
+ if (context == nullptr)
+ xbt_die("Not a suitable context");
+
+ context->get_actor()->cleanup();
+ context->attach_stop();
}
void ActorImpl::cleanup()
// Forcefully kill the actor if its host is turned off. Not a HostFailureException because you should not survive that
if (not host_->is_on())
- this->throw_exception(std::make_exception_ptr(simgrid::kernel::context::StopRequest("host failed")));
+ this->throw_exception(std::make_exception_ptr(ForcefulKillException("host failed")));
/* destroy the blocking synchro if any */
if (waiting_synchro != nullptr) {
if (context_->iwannadie) {
XBT_DEBUG("Actor %s@%s is dead", get_cname(), host_->get_cname());
- // throw simgrid::kernel::context::StopRequest(); Does not seem to properly kill the actor
+ // throw simgrid::kernel::context::ForcefulKillException(); Does not seem to properly kill the actor
context_->stop();
THROW_IMPOSSIBLE;
}
if (suspended_) {
XBT_DEBUG("Hey! I'm suspended.");
- xbt_assert(exception_ != nullptr, "Gasp! This exception may be lost by subsequent calls.");
+
+ xbt_assert(exception_ == nullptr, "Gasp! This exception may be lost by subsequent calls.");
suspended_ = false;
suspend(this);
}
return nullptr;
} else {
- return activity::ExecImplPtr(new activity::ExecImpl("suspend", "", nullptr, this->host_))->start(0.0, 1.0, 0.0);
+ return activity::ExecImplPtr(new activity::ExecImpl("suspend", ""))->set_host(host_)->start(0.0, 1.0, 0.0);
}
}
dest->pimpl_->process_list_.push_back(*this);
}
-ActorImplPtr ActorImpl::create(std::string name, simix::ActorCode code, void* data, s4u::Host* host,
- std::unordered_map<std::string, std::string>* properties, ActorImpl* parent_actor)
+ActorImplPtr ActorImpl::init(std::string name, s4u::Host* host)
{
+ ActorImpl* actor = new ActorImpl(simgrid::xbt::string(name), host);
+ actor->set_ppid(this->pid_);
- XBT_DEBUG("Start actor %s@'%s'", name.c_str(), host->get_cname());
+ intrusive_ptr_add_ref(actor);
+ /* The on_creation() signal must be delayed until there, where the pid and everything is set */
+ s4u::Actor::on_creation(actor->iface());
- if (not host->is_on()) {
- XBT_WARN("Cannot launch actor '%s' on failed host '%s'", name.c_str(), host->get_cname());
- return nullptr;
+ return ActorImplPtr(actor);
+}
+
+ActorImpl* ActorImpl::start(const simix::ActorCode& code)
+{
+ xbt_assert(code && host_ != nullptr, "Invalid parameters");
+
+ if (not host_->is_on()) {
+ XBT_WARN("Cannot launch actor '%s' on failed host '%s'", name_.c_str(), host_->get_cname());
+ intrusive_ptr_release(this);
+ std::rethrow_exception(
+ std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Cannot start actor on failed host.")));
}
- ActorImpl* actor = new ActorImpl(simgrid::xbt::string(name), host);
+ this->code = code;
+ XBT_VERB("Create context %s", get_cname());
+ context_.reset(simix_global->context_factory->create_context(simix::ActorCode(code), this));
- xbt_assert(code && host != nullptr, "Invalid parameters");
- /* actor data */
- actor->set_user_data(data);
- actor->code = code;
+ XBT_DEBUG("Start context '%s'", get_cname());
+
+ /* Add the actor to its host's actor list */
+ host_->pimpl_->process_list_.push_back(*this);
+ simix_global->process_list[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);
+ return this;
+}
+
+ActorImplPtr ActorImpl::create(std::string name, const simix::ActorCode& code, void* data, s4u::Host* host,
+ std::unordered_map<std::string, std::string>* properties, ActorImpl* parent_actor)
+{
+ XBT_DEBUG("Start actor %s@'%s'", name.c_str(), host->get_cname());
+
+ ActorImplPtr actor;
if (parent_actor != nullptr)
- actor->set_ppid(parent_actor->get_pid());
+ actor = parent_actor->init(simgrid::xbt::string(name), host);
+ else
+ actor = SIMIX_process_self()->init(simgrid::xbt::string(name), host);
- XBT_VERB("Create context %s", actor->get_cname());
- actor->context_ = simix_global->context_factory->create_context(std::move(code), actor);
+ /* actor data */
+ actor->set_user_data(data);
/* Add properties */
if (properties != nullptr)
for (auto const& kv : *properties)
actor->set_property(kv.first, kv.second);
- /* Add the actor to its host's actor list */
- host->pimpl_->process_list_.push_back(*actor);
-
- XBT_DEBUG("Start context '%s'", actor->get_cname());
-
- /* Now insert it in the global actor list and in the actor 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);
- intrusive_ptr_add_ref(actor);
+ actor->start(code);
- /* The on_creation() signal must be delayed until there, where the pid and everything is set */
- s4u::Actor::on_creation(actor->iface());
-
- return ActorImplPtr(actor);
+ return actor;
}
-void create_maestro(simix::ActorCode code)
+void create_maestro(const std::function<void()>& code)
{
/* Create maestro actor and initialize it */
ActorImpl* maestro = new ActorImpl(xbt::string(""), /*host*/ nullptr);
if (not code) {
- maestro->context_ = simix_global->context_factory->create_context(simix::ActorCode(), maestro);
+ maestro->context_.reset(simix_global->context_factory->create_context(simix::ActorCode(), maestro));
} else {
- maestro->context_ = simix_global->context_factory->create_maestro(code, maestro);
+ maestro->context_.reset(simix_global->context_factory->create_maestro(simix::ActorCode(code), maestro));
}
maestro->simcall.issuer = maestro;
} // namespace kernel
}
-smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostname,
- std::unordered_map<std::string, std::string>* properties, smx_actor_t parent_process)
+void SIMIX_process_detach()
{
- // This is mostly a copy/paste from SIMIX_process_new(),
- // it'd be nice to share some code between those two functions.
-
- sg_host_t host = sg_host_by_name(hostname);
- XBT_DEBUG("Attach process %s on host '%s'", name, hostname);
-
- if (not host->is_on()) {
- XBT_WARN("Cannot launch process '%s' on failed host '%s'", name, hostname);
- return nullptr;
- }
-
- smx_actor_t actor = new simgrid::kernel::actor::ActorImpl(simgrid::xbt::string(name), host);
- /* Actor data */
- actor->set_user_data(data);
- actor->code = nullptr;
-
- if (parent_process != nullptr)
- actor->set_ppid(parent_process->get_pid());
-
- XBT_VERB("Create context %s", actor->get_cname());
- xbt_assert(simix_global != nullptr, "simix is not initialized, please call MSG_init first");
- actor->context_ = simix_global->context_factory->attach(actor);
-
- /* Add properties */
- if (properties != nullptr)
- for (auto const& kv : *properties)
- actor->set_property(kv.first, kv.second);
-
- /* Add the process to it's host process list */
- host->pimpl_->process_list_.push_back(*actor);
-
- /* Now insert it in the global process list and in the process 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);
- intrusive_ptr_add_ref(actor);
-
- auto* context = dynamic_cast<simgrid::kernel::context::AttachContext*>(actor->context_);
- xbt_assert(nullptr != context, "Not a suitable context");
- context->attach_start();
-
- /* The on_creation() signal must be delayed until there, where the pid and everything is set */
- simgrid::s4u::ActorPtr tmp = actor->iface(); // Passing this directly to on_creation will lead to crashes
- simgrid::s4u::Actor::on_creation(tmp);
-
- return actor;
+ simgrid::kernel::actor::ActorImpl::detach();
}
-void SIMIX_process_detach()
+smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostname,
+ std::unordered_map<std::string, std::string>* properties,
+ smx_actor_t /*parent_process*/)
{
- auto* context = dynamic_cast<simgrid::kernel::context::AttachContext*>(simgrid::kernel::context::Context::self());
- if (context == nullptr)
- xbt_die("Not a suitable context");
-
- context->get_actor()->cleanup();
- context->attach_stop();
+ return simgrid::kernel::actor::ActorImpl::attach(name, data, sg_host_by_name(hostname), properties).get();
}
-
/** @deprecated When this function gets removed, also remove the xbt_ex class, that is only there to help users to
* transition */
void SIMIX_process_throw(smx_actor_t actor, xbt_errcat_t cat, int value, const char* msg)
return simix_global->process_list.size();
}
-void* SIMIX_process_self_get_data()
+void* SIMIX_process_self_get_data() // deprecated
{
smx_actor_t self = SIMIX_process_self();
return self->get_user_data();
}
-void SIMIX_process_self_set_data(void *data)
+void SIMIX_process_self_set_data(void* data) // deprecated
{
SIMIX_process_self()->set_user_data(data);
}
SIMIX_process_on_exit(actor, [fun](int a, void* b) { fun((void*)(intptr_t)a, b); }, data);
}
-void SIMIX_process_on_exit(smx_actor_t actor, std::function<void(int, void*)> fun, void* data)
+void SIMIX_process_on_exit(smx_actor_t actor, const std::function<void(bool, void*)>& fun, void* data)
{
xbt_assert(actor, "current process not found: are you in maestro context ?");
