-/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2019. 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 <functional>
#include <list>
#include <map>
+#include <memory>
struct s_smx_process_exit_fun_t {
- std::function<void(int, void*)> fun;
+ std::function<void(bool, void*)> fun;
void *arg;
};
namespace kernel {
namespace actor {
-class ActorImpl : public simgrid::surf::PropertyHolder {
+class XBT_PUBLIC ActorImpl : public surf::PropertyHolder {
+ s4u::Host* host_ = nullptr; /* the host on which the actor is running */
+ void* userdata_ = nullptr; /* kept for compatibility, it should be replaced with moddata */
+ aid_t pid_ = 0;
+ aid_t ppid_ = -1;
+ bool daemon_ = false; /* Daemon actors are automatically killed when the last non-daemon leaves */
+ bool auto_restart_ = false;
+
public:
- ActorImpl() : piface_(this) {}
+ xbt::string name_;
+ ActorImpl(xbt::string name, s4u::Host* host);
+ ActorImpl(const ActorImpl&) = delete;
+ ActorImpl& operator=(const ActorImpl&) = delete;
~ActorImpl();
- void set_auto_restart(bool autorestart) { auto_restart_ = autorestart; }
-
+ double get_kill_time();
+ void set_kill_time(double kill_time);
boost::intrusive::list_member_hook<> host_process_list_hook; /* simgrid::simix::Host::process_list */
- boost::intrusive::list_member_hook<> smx_destroy_list_hook; /* simix_global->process_to_destroy */
+ boost::intrusive::list_member_hook<> smx_destroy_list_hook; /* simix_global->actors_to_destroy */
boost::intrusive::list_member_hook<> smx_synchro_hook; /* {mutex,cond,sem}->sleeping */
- aid_t pid_ = 0;
- aid_t ppid_ = -1;
- simgrid::xbt::string name_;
- const simgrid::xbt::string& get_name() const { return name_; }
+ const xbt::string& get_name() const { return name_; }
const char* get_cname() const { return name_.c_str(); }
- s4u::Host* host_ = nullptr; /* the host on which the process is running */
- smx_context_t context_ = nullptr; /* the context (uctx/raw/thread) that executes the user function */
- std::exception_ptr exception;
- bool finished_ = false;
- bool blocked_ = false;
- bool suspended_ = false;
- bool auto_restart_ = false;
+ // Accessors to private fields
+ s4u::Host* get_host() { return host_; }
+ void set_host(s4u::Host* dest);
+ void* get_user_data() { return userdata_; }
+ void set_user_data(void* data) { userdata_ = data; }
+ aid_t get_pid() const { return pid_; }
+ aid_t get_ppid() const { return ppid_; }
+ void set_ppid(aid_t ppid) { ppid_ = ppid; }
+ bool is_daemon() { return daemon_; } /** Whether this actor has been daemonized */
+ bool has_to_auto_restart() { return auto_restart_; }
+ void set_auto_restart(bool autorestart) { auto_restart_ = autorestart; }
+
+ std::unique_ptr<context::Context> context_; /* the context (uctx/raw/thread) that executes the user function */
- smx_activity_t waiting_synchro = nullptr; /* the current blocking synchro if any */
- std::list<smx_activity_t> comms; /* the current non-blocking communication synchros */
+ std::exception_ptr exception_;
+ bool finished_ = false;
+ bool blocked_ = false; /* FIXME this field is never set to true. Either use it or remove it. */
+ bool suspended_ = false;
+
+ activity::ActivityImplPtr waiting_synchro = nullptr; /* the current blocking synchro if any */
+ std::list<activity::ActivityImplPtr> comms; /* the current non-blocking communication synchros */
s_smx_simcall simcall;
std::vector<s_smx_process_exit_fun_t> on_exit; /* list of functions executed when the process dies */
std::function<void()> code;
- smx_timer_t kill_timer = nullptr;
+ simix::Timer* kill_timer = nullptr;
private:
- void* userdata_ = nullptr; /* kept for compatibility, it should be replaced with moddata */
/* Refcounting */
std::atomic_int_fast32_t refcount_{0};
public:
- friend void intrusive_ptr_add_ref(ActorImpl* process)
+ friend void intrusive_ptr_add_ref(ActorImpl* actor)
{
// std::memory_order_relaxed ought to be enough here instead of std::memory_order_seq_cst
// But then, we have a threading issue when an actor commits a suicide:
// it seems that in this case, the worker thread kills the last occurrence of the actor
// while usually, the maestro does so. FIXME: we should change how actors suicide
- process->refcount_.fetch_add(1, std::memory_order_seq_cst);
+ actor->refcount_.fetch_add(1, std::memory_order_seq_cst);
}
- friend void intrusive_ptr_release(ActorImpl* process)
+ friend void intrusive_ptr_release(ActorImpl* actor)
{
// inspired from http://www.boost.org/doc/libs/1_55_0/doc/html/atomic/usage_examples.html
- if (process->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+ if (actor->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
// Make sure that any changes done on other threads before their acquire are committed before our delete
// http://stackoverflow.com/questions/27751025/why-is-an-acquire-barrier-needed-before-deleting-the-data-in-an-atomically-refer
std::atomic_thread_fence(std::memory_order_acquire);
- delete process;
+ delete actor;
}
}
/* S4U/implem interfaces */
private:
- simgrid::s4u::Actor piface_; // Our interface is part of ourselves
-public:
- simgrid::s4u::ActorPtr iface() { return s4u::ActorPtr(&piface_); }
- simgrid::s4u::Actor* ciface() { return &piface_; }
-
- /* Daemon actors are automatically killed when the last non-daemon leaves */
-private:
- bool daemon_ = false;
+ s4u::Actor piface_; // Our interface is part of ourselves
public:
+ s4u::ActorPtr iface() { return s4u::ActorPtr(&piface_); }
+ s4u::Actor* ciface() { return &piface_; }
+
+ ActorImplPtr init(std::string name, s4u::Host* host);
+ ActorImpl* start(const simix::ActorCode& code);
+
+ static ActorImplPtr create(std::string name, const simix::ActorCode& code, void* data, s4u::Host* host,
+ std::unordered_map<std::string, std::string>* properties, ActorImpl* parent_actor);
+ static ActorImplPtr attach(std::string name, void* data, s4u::Host* host,
+ std::unordered_map<std::string, std::string>* properties);
+ static void detach();
+ void cleanup();
+ void exit();
+ void kill(ActorImpl* actor);
+ void kill_all();
+
+ void yield();
void daemonize();
- bool is_daemon() { return daemon_; } /** Whether this actor has been daemonized */
bool is_suspended() { return suspended_; }
- simgrid::s4u::Actor* restart();
- smx_activity_t suspend(ActorImpl* issuer);
+ s4u::Actor* restart();
+ activity::ActivityImplPtr suspend(ActorImpl* issuer);
void resume();
- smx_activity_t sleep(double duration);
- void set_user_data(void* data) { userdata_ = data; }
- void* get_user_data() { return userdata_; }
+ activity::ActivityImplPtr join(ActorImpl* actor, double timeout);
+ activity::ActivityImplPtr sleep(double duration);
+ /** Ask the actor to throw an exception right away */
+ void throw_exception(std::exception_ptr e);
};
class ProcessArg {
double kill_time = 0.0;
std::shared_ptr<std::unordered_map<std::string, std::string>> properties = nullptr;
bool auto_restart = false;
+ bool daemon_ = false;
ProcessArg() = default;
- explicit ProcessArg(std::string name, std::function<void()> code, void* data, s4u::Host* host, double kill_time,
- std::shared_ptr<std::unordered_map<std::string, std::string>> properties, bool auto_restart)
+ explicit ProcessArg(std::string name, const std::function<void()>& code, void* data, s4u::Host* host,
+ double kill_time, std::shared_ptr<std::unordered_map<std::string, std::string>> properties,
+ bool auto_restart)
: name(name)
- , code(std::move(code))
+ , code(code)
, data(data)
, host(host)
, kill_time(kill_time)
explicit ProcessArg(s4u::Host* host, ActorImpl* actor)
: name(actor->get_name())
- , code(std::move(actor->code))
+ , code(actor->code)
, data(actor->get_user_data())
, host(host)
- , kill_time(SIMIX_timer_get_date(actor->kill_timer))
- , auto_restart(actor->auto_restart_)
+ , kill_time(actor->get_kill_time())
+ , auto_restart(actor->has_to_auto_restart())
+ , daemon_(actor->is_daemon())
{
properties.reset(actor->get_properties(), [](decltype(actor->get_properties())) {});
}
&ActorImpl::smx_synchro_hook>>
SynchroList;
-XBT_PUBLIC void create_maestro(std::function<void()> code);
-}
+XBT_PUBLIC void create_maestro(const std::function<void()>& code);
+} // namespace actor
} // namespace kernel
} // namespace simgrid
-typedef simgrid::kernel::actor::ActorImpl* smx_actor_t;
-
-XBT_PRIVATE smx_actor_t SIMIX_process_create(std::string name, std::function<void()> code, void* data, sg_host_t host,
- std::unordered_map<std::string, std::string>* properties,
- smx_actor_t parent_process);
-
-XBT_PRIVATE void SIMIX_process_runall();
-XBT_PRIVATE void SIMIX_process_kill(smx_actor_t process, smx_actor_t issuer);
-XBT_PRIVATE void SIMIX_process_killall(smx_actor_t issuer);
-XBT_PRIVATE void SIMIX_process_cleanup(smx_actor_t arg);
-XBT_PRIVATE void SIMIX_process_empty_trash();
-XBT_PRIVATE void SIMIX_process_yield(smx_actor_t self);
-XBT_PRIVATE void SIMIX_process_change_host(smx_actor_t process, sg_host_t dest);
-
extern void (*SMPI_switch_data_segment)(simgrid::s4u::ActorPtr actor);
XBT_PRIVATE void SIMIX_process_sleep_destroy(smx_activity_t synchro);
-XBT_PRIVATE smx_activity_t SIMIX_process_join(smx_actor_t issuer, smx_actor_t process, double timeout);
#endif
