#ifndef SIMGRID_S4U_ACTOR_HPP
#define SIMGRID_S4U_ACTOR_HPP
-#include <functional>
-#include <map> // deprecated wrappers
+#include <simgrid/forward.h>
+
#include <simgrid/chrono.hpp>
-#include <unordered_map>
#include <xbt/Extendable.hpp>
#include <xbt/functional.hpp>
#include <xbt/signal.hpp>
#include <xbt/string.hpp>
+#include <functional>
+#include <map> // deprecated wrappers
+#include <unordered_map>
+
namespace simgrid {
namespace s4u {
*/
/** @brief Simulation Agent */
-class XBT_PUBLIC Actor : public simgrid::xbt::Extendable<Actor> {
- friend simgrid::s4u::Exec;
- friend simgrid::s4u::Mailbox;
- friend simgrid::kernel::actor::ActorImpl;
- friend simgrid::kernel::activity::MailboxImpl;
+class XBT_PUBLIC Actor : public xbt::Extendable<Actor> {
+#ifndef DOXYGEN
+ friend Exec;
+ friend Mailbox;
+ friend kernel::actor::ActorImpl;
+ friend kernel::activity::MailboxImpl;
- kernel::actor::ActorImpl* pimpl_ = nullptr;
+ kernel::actor::ActorImpl* const pimpl_;
+#endif
explicit Actor(smx_actor_t pimpl) : pimpl_(pimpl) {}
// ***** Reference count *****
friend XBT_PUBLIC void intrusive_ptr_add_ref(Actor * actor);
friend XBT_PUBLIC void intrusive_ptr_release(Actor * actor);
+ int get_refcount();
// ***** Actor creation *****
/** Retrieve a reference to myself */
- static ActorPtr self();
+ static Actor* self();
- /** Signal to others that a new actor has been created **/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_creation;
+ /** Fired when a new actor has been created **/
+ static xbt::signal<void(Actor&)> on_creation;
/** Signal to others that an actor has been suspended**/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_suspend;
+ static xbt::signal<void(Actor const&)> on_suspend;
/** Signal to others that an actor has been resumed **/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_resume;
+ static xbt::signal<void(Actor const&)> on_resume;
/** Signal to others that an actor is sleeping **/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_sleep;
+ static xbt::signal<void(Actor const&)> on_sleep;
/** Signal to others that an actor wakes up for a sleep **/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_wake_up;
+ static xbt::signal<void(Actor const&)> on_wake_up;
/** Signal to others that an actor is going to migrated to another host**/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_migration_start;
+ static xbt::signal<void(Actor const&)> on_migration_start;
/** Signal to others that an actor is has been migrated to another host **/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_migration_end;
- /** Signal indicating that an actor is about to disappear.
- * This signal is fired for any dying actor, which is mostly useful when
- * designing plugins and extensions. If you want to register to the
- * termination of a given actor, use this_actor::on_exit() instead.*/
- static simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> on_destruction;
+ static xbt::signal<void(Actor const&)> on_migration_end;
+ /** Signal indicating that an actor terminated its code.
+ * The actor may continue to exist if it is still referenced in the simulation, but it's not active anymore.
+ * If you want to free extra data when the actor's destructor is called, use Actor::on_destruction.
+ * If you want to register to the termination of a given actor, use this_actor::on_exit() instead.*/
+ static xbt::signal<void(Actor const&)> on_termination;
+ /** Signal indicating that an actor is about to disappear (its destructor was called).
+ * This signal is fired for any destructed actor, which is mostly useful when designing plugins and extensions.
+ * If you want to react to the end of the actor's code, use Actor::on_termination instead.
+ * If you want to register to the termination of a given actor, use this_actor::on_exit() instead.*/
+ static xbt::signal<void(Actor const&)> on_destruction;
/** Create an actor from a std::function<void()>
*
* If the actor is restarted, the actor has a fresh copy of the function.
*/
- static ActorPtr create(std::string name, s4u::Host* host, std::function<void()> code);
+ static ActorPtr create(const std::string& name, s4u::Host* host, const std::function<void()>& code);
+ static ActorPtr init(const std::string& name, s4u::Host* host);
+ ActorPtr start(const std::function<void()>& code);
/** Create an actor from a std::function
*
* If the actor is restarted, the actor has a fresh copy of the function.
*/
- template <class F> static ActorPtr create(std::string name, s4u::Host* host, F code)
+ template <class F> static ActorPtr create(const std::string& name, s4u::Host* host, F code)
{
return create(name, host, std::function<void()>(std::move(code)));
}
template <class F, class... Args,
// This constructor is enabled only if the call code(args...) is valid:
typename = typename std::result_of<F(Args...)>::type>
- static ActorPtr create(std::string name, s4u::Host* host, F code, Args... args)
+ static ActorPtr create(const std::string& name, s4u::Host* host, F code, Args... args)
{
return create(name, host, std::bind(std::move(code), std::move(args)...));
}
// Create actor from function name:
- static ActorPtr create(std::string name, s4u::Host* host, std::string function, std::vector<std::string> args);
+ static ActorPtr create(const std::string& name, s4u::Host* host, const std::string& function,
+ std::vector<std::string> args);
// ***** Methods *****
/** This actor will be automatically terminated when the last non-daemon actor finishes **/
/** Retrieves the name of that actor as a C string */
const char* get_cname() const;
/** Retrieves the host on which that actor is running */
- s4u::Host* get_host();
+ Host* get_host() const;
/** Retrieves the actor ID of that actor */
aid_t get_pid() const;
/** Retrieves the actor ID of that actor's creator */
aid_t get_ppid() const;
- /** Suspend an actor by suspending the task on which it was waiting for the completion. */
+ /** Suspend an actor, that is blocked until resume()ed by another actor */
void suspend();
- /** Resume a suspended actor by resuming the task on which it was waiting for the completion. */
+ /** Resume an actor that was previously suspend()ed */
void resume();
- void yield();
-
/** Returns true if the actor is suspended. */
bool is_suspended();
* Please note that functions registered in this signal cannot do any simcall themselves. It means that they cannot
* send or receive messages, acquire or release mutexes, nor even modify a host property or something. Not only are
* blocking functions forbidden in this setting, but also modifications to the global state.
+ *
+ * The parameter of on_exit's callbacks denotes whether or not the actor's execution failed.
+ * It will be set to true if the actor was killed or failed because of an exception,
+ * while it will remain to false if the actor terminated gracefully.
*/
- void on_exit(std::function<void(int, void*)> fun, void* data);
+ void on_exit(const std::function<void(bool /*failed*/)>& fun) const;
/** Sets the time at which that actor should be killed */
void set_kill_time(double time);
*/
void kill();
- /** Kill an actor from its ID */
- static void kill(aid_t pid);
-
/** Retrieves the actor that have the given PID (or nullptr if not existing) */
static ActorPtr by_pid(aid_t pid);
void join(double timeout);
Actor* restart();
- /** Ask kindly to all actors to die. Only the issuer will survive. */
+ /** Kill all actors (but the issuer). Being killed is not something that actors can delay or avoid. */
static void kill_all();
/** Returns the internal implementation of this actor */
- kernel::actor::ActorImpl* get_impl();
+ kernel::actor::ActorImpl* get_impl() const { return pimpl_; }
/** Retrieve the property value (or nullptr if not set) */
- std::unordered_map<std::string, std::string>*
- get_properties(); // FIXME: do not export the map, but only the keys or something
- const char* get_property(std::string key);
- void set_property(std::string key, std::string value);
-
-#ifndef DOXYGEN
- /** @deprecated See Actor::create() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
- const char* name, s4u::Host* host, std::function<void()> code)
- {
- return create(name, host, code);
- }
- /** @deprecated See Actor::create() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
- const char* name, s4u::Host* host, std::function<void(std::vector<std::string>*)> code,
- std::vector<std::string>* args)
- {
- return create(name, host, code, args);
- }
- /** @deprecated See Actor::create() */
- template <class F, class... Args, typename = typename std::result_of<F(Args...)>::type>
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
- const char* name, s4u::Host* host, F code, Args... args)
- {
- return create(name, host, code, std::move(args)...);
- }
- /** @deprecated See Actor::create() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::create()") static ActorPtr createActor(
- const char* name, s4u::Host* host, const char* function, std::vector<std::string> args)
- {
- return create(name, host, function, args);
- }
- /** @deprecated See Actor::is_daemon() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::is_daemon()") bool isDaemon() const;
- /** @deprecated See Actor::get_name() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_name()") const simgrid::xbt::string& getName() const
- {
- return get_name();
- }
- /** @deprecated See Actor::get_cname() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_cname()") const char* getCname() const { return get_cname(); }
- /** @deprecated See Actor::get_host() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_host()") Host* getHost() { return get_host(); }
- /** @deprecated See Actor::get_pid() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_pid()") aid_t getPid() { return get_pid(); }
- /** @deprecated See Actor::get_ppid() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_ppid()") aid_t getPpid() { return get_ppid(); }
- /** @deprecated See Actor::is_suspended() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::is_suspended()") int isSuspended() { return is_suspended(); }
- /** @deprecated See Actor::set_auto_restart() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::set_auto_restart()") void setAutoRestart(bool a)
- {
- set_auto_restart(a);
- }
- /** @deprecated Please use a std::function<void(int, void*)> for first parameter */
- XBT_ATTRIB_DEPRECATED_v323("Please use a std::function<void(int, void*)> for first parameter.") void on_exit(
- int_f_pvoid_pvoid_t fun, void* data);
- /** @deprecated See Actor::on_exit() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::on_exit()") void onExit(int_f_pvoid_pvoid_t fun, void* data)
- {
- on_exit([fun](int a, void* b) { fun((void*)(intptr_t)a, b); }, data);
- }
- /** @deprecated See Actor::set_kill_time() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::set_kill_time()") void setKillTime(double time) { set_kill_time(time); }
- /** @deprecated See Actor::get_kill_time() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_kill_time()") double getKillTime() { return get_kill_time(); }
- /** @deprecated See Actor::by_pid() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::by_pid()") static ActorPtr byPid(aid_t pid) { return by_pid(pid); }
- /** @deprecated See Actor::kill_all() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::kill_all()") static void killAll() { kill_all(); }
- /** @deprecated See Actor::kill_all() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::kill_all() with no parameter") static void killAll(
- int XBT_ATTRIB_UNUSED resetPid)
- {
- kill_all();
- }
- /** @deprecated See Actor::get_impl() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_impl()") kernel::actor::ActorImpl* getImpl() { return get_impl(); }
- /** @deprecated See Actor::get_property() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_property()") const char* getProperty(const char* key)
- {
- return get_property(key);
- }
- /** @deprecated See Actor::get_properties() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::get_properties()") std::map<std::string, std::string>* getProperties()
- {
- std::map<std::string, std::string>* res = new std::map<std::string, std::string>();
- std::unordered_map<std::string, std::string>* props = get_properties();
- for (auto const& kv : *props)
- res->insert(kv);
- return res;
- }
- /** @deprecated See Actor::get_properties() */
- XBT_ATTRIB_DEPRECATED_v323("Please use Actor::set_property()") void setProperty(const char* key, const char* value)
- {
- set_property(key, value);
- }
-#endif
+ const std::unordered_map<std::string, std::string>*
+ get_properties() const; // FIXME: do not export the map, but only the keys or something
+ const char* get_property(const std::string& key) const;
+ void set_property(const std::string& key, const std::string& value);
};
/** @ingroup s4u_api
XBT_PUBLIC bool is_maestro();
-/** Block the actor sleeping for that amount of seconds (may throw hostFailure) */
+/** Block the current actor sleeping for that amount of seconds */
XBT_PUBLIC void sleep_for(double duration);
-/** Block the actor sleeping until the specified timestamp (may throw hostFailure) */
-XBT_PUBLIC void sleep_until(double timeout);
+/** Block the current actor sleeping until the specified timestamp */
+XBT_PUBLIC void sleep_until(double wakeup_time);
template <class Rep, class Period> inline void sleep_for(std::chrono::duration<Rep, Period> duration)
{
this_actor::sleep_for(seconds.count());
}
-template <class Duration> inline void sleep_until(const SimulationTimePoint<Duration>& timeout_time)
+template <class Duration> inline void sleep_until(const SimulationTimePoint<Duration>& wakeup_time)
{
- auto timeout_native = std::chrono::time_point_cast<SimulationClockDuration>(timeout_time);
+ auto timeout_native = std::chrono::time_point_cast<SimulationClockDuration>(wakeup_time);
this_actor::sleep_until(timeout_native.time_since_epoch().count());
}
* @example examples/s4u/exec-ptask/s4u-exec-ptask.cpp
*/
-/** Block the actor until the built parallel execution terminates
+/** Block the current actor until the built parallel execution terminates
*
* \rst
* .. _API_s4u_parallel_execute:
*
* \endrst
*/
-XBT_PUBLIC void parallel_execute(std::vector<s4u::Host*> hosts, std::vector<double> flops_amounts,
- std::vector<double> bytes_amounts);
+XBT_PUBLIC void parallel_execute(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
+ const std::vector<double>& bytes_amounts);
/** \rst
- * Block the actor until the built :ref:`parallel execution <API_s4u_parallel_execute>` completes, or until the timeout.
- * \endrst
+ * Block the current actor until the built :ref:`parallel execution <API_s4u_parallel_execute>` completes, or until the
+ * timeout. \endrst
*/
-XBT_PUBLIC void parallel_execute(std::vector<s4u::Host*> hosts, std::vector<double> flops_amounts,
- std::vector<double> bytes_amounts, double timeout);
-
-#ifndef DOXYGEN
-XBT_ATTRIB_DEPRECATED_v325("Please use std::vectors as parameters") XBT_PUBLIC
- void parallel_execute(int host_nb, s4u::Host** host_list, double* flops_amount, double* bytes_amount);
-XBT_ATTRIB_DEPRECATED_v325("Please use std::vectors as parameters") XBT_PUBLIC
- void parallel_execute(int host_nb, s4u::Host** host_list, double* flops_amount, double* bytes_amount,
- double timeout);
-#endif
+XBT_PUBLIC void parallel_execute(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
+ const std::vector<double>& bytes_amounts, double timeout);
XBT_PUBLIC ExecPtr exec_init(double flops_amounts);
+XBT_PUBLIC ExecPtr exec_init(const std::vector<s4u::Host*>& hosts, const std::vector<double>& flops_amounts,
+ const std::vector<double>& bytes_amounts);
+
XBT_PUBLIC ExecPtr exec_async(double flops_amounts);
/** @brief Returns the actor ID of the current actor. */
/** @brief Returns the name of the current actor as a C string. */
XBT_PUBLIC const char* get_cname();
-/** @brief Returns the name of the host on which the actor is running. */
+/** @brief Returns the name of the host on which the current actor is running. */
XBT_PUBLIC Host* get_host();
-/** @brief Suspend the actor, that is blocked until resume()ed by another actor. */
+/** @brief Suspend the current actor, that is blocked until resume()ed by another actor. */
XBT_PUBLIC void suspend();
-/** @brief Yield the actor. */
+/** @brief Yield the current actor. */
XBT_PUBLIC void yield();
-/** @brief Resume the actor, that was suspend()ed previously. */
+/** @brief Resume the current actor, that was suspend()ed previously. */
XBT_PUBLIC void resume();
-XBT_PUBLIC bool is_suspended();
-
-/** @brief kill the actor. */
+/** @brief kill the current actor. */
XBT_PUBLIC void exit();
-/** @brief Add a function to the list of "on_exit" functions. */
-XBT_PUBLIC void on_exit(std::function<void(int, void*)> fun, void* data);
+/** @brief Add a function to the list of "on_exit" functions of 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.
+ *
+ * Please note that functions registered in this signal cannot do any simcall themselves. It means that they cannot
+ * send or receive messages, acquire or release mutexes, nor even modify a host property or something. Not only are
+ * blocking functions forbidden in this setting, but also modifications to the global state.
+ *
+ * The parameter of on_exit's callbacks denotes whether or not the actor's execution failed.
+ * It will be set to true if the actor was killed or failed because of an exception,
+ * while it will remain to false if the actor terminated gracefully.
+ */
+
+XBT_PUBLIC void on_exit(const std::function<void(bool)>& fun);
-/** @brief Migrate the actor to a new host. */
+/** @brief Migrate the current actor to a new host. */
XBT_PUBLIC void migrate(Host* new_host);
/** @} */
-
-#ifndef DOXYGEN
-/** @deprecated Please use std::function<void(int, void*)> for first parameter */
-XBT_ATTRIB_DEPRECATED_v323("Please use std::function<void(int, void*)> for first parameter.") XBT_PUBLIC
- void on_exit(int_f_pvoid_pvoid_t fun, void* data);
-/** @deprecated See this_actor::get_name() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_name()") XBT_PUBLIC std::string getName();
-/** @deprecated See this_actor::get_cname() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_cname()") XBT_PUBLIC const char* getCname();
-/** @deprecated See this_actor::is_maestro() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::is_maestro()") XBT_PUBLIC bool isMaestro();
-/** @deprecated See this_actor::get_pid() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_pid()") XBT_PUBLIC aid_t getPid();
-/** @deprecated See this_actor::get_ppid() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_ppid()") XBT_PUBLIC aid_t getPpid();
-/** @deprecated See this_actor::get_host() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::get_host()") XBT_PUBLIC Host* getHost();
-/** @deprecated See this_actor::is_suspended() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::is_suspended()") XBT_PUBLIC bool isSuspended();
-/** @deprecated See this_actor::on_exit() */
-XBT_ATTRIB_DEPRECATED_v323("Please use this_actor::on_exit()") XBT_PUBLIC void onExit(int_f_pvoid_pvoid_t fun, void* data);
-/** @deprecated See this_actor::exit() */
-XBT_ATTRIB_DEPRECATED_v324("Please use this_actor::exit()") XBT_PUBLIC void kill();
-#endif
}
