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SIMIX_process_join becomes ActorImpl::join
[simgrid.git] / src / simix / ActorImpl.cpp
index cfec902..2a5262f 100644 (file)
@@ -5,6 +5,8 @@
 
 #include "mc/mc.h"
 #include "simgrid/Exception.hpp"
+#include "simgrid/s4u/Actor.hpp"
+#include "simgrid/s4u/Exec.hpp"
 #include "smx_private.hpp"
 #include "src/kernel/activity/CommImpl.hpp"
 #include "src/kernel/activity/ExecImpl.hpp"
@@ -105,13 +107,90 @@ ActorImpl::~ActorImpl()
   delete this->context_;
 }
 
+void ActorImpl::exit()
+{
+  context_->iwannadie = true;
+  blocked_            = false;
+  suspended_          = false;
+  exception           = nullptr;
+
+  // 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")));
+
+  /* destroy the blocking synchro if any */
+  if (waiting_synchro != nullptr) {
+
+    activity::ExecImplPtr exec   = boost::dynamic_pointer_cast<activity::ExecImpl>(waiting_synchro);
+    activity::CommImplPtr comm   = boost::dynamic_pointer_cast<activity::CommImpl>(waiting_synchro);
+    activity::SleepImplPtr sleep = boost::dynamic_pointer_cast<activity::SleepImpl>(waiting_synchro);
+    activity::RawImplPtr raw     = boost::dynamic_pointer_cast<activity::RawImpl>(waiting_synchro);
+    activity::IoImplPtr io       = boost::dynamic_pointer_cast<activity::IoImpl>(waiting_synchro);
+
+    if (exec != nullptr && exec->surf_action_) {
+      exec->cancel();
+      exec->surf_action_->unref();
+      exec->surf_action_ = nullptr;
+    } else if (comm != nullptr) {
+      comms.remove(waiting_synchro);
+      comm->cancel();
+      // Remove first occurrence of &process->simcall:
+      auto i = boost::range::find(waiting_synchro->simcalls_, &simcall);
+      if (i != waiting_synchro->simcalls_.end())
+        waiting_synchro->simcalls_.remove(&simcall);
+    } else if (sleep != nullptr) {
+      if (sleep->surf_action_)
+        sleep->surf_action_->cancel();
+      sleep->post();
+    } else if (raw != nullptr) {
+      SIMIX_synchro_stop_waiting(this, &simcall);
+    } else if (io != nullptr) {
+      io->cancel();
+    } else {
+      simgrid::kernel::activity::ActivityImplPtr activity = waiting_synchro;
+      xbt_die("Activity %s is of unknown type %s", activity->name_.c_str(),
+              simgrid::xbt::demangle(typeid(activity).name()).get());
+    }
+
+    waiting_synchro = nullptr;
+  }
+}
+
+void ActorImpl::kill(smx_actor_t actor)
+{
+  if (actor->finished_) {
+    XBT_DEBUG("Ignoring request to kill process %s@%s that is already dead", actor->get_cname(),
+              actor->host_->get_cname());
+    return;
+  }
+
+  XBT_DEBUG("Actor '%s'@%s is killing actor '%s'@%s", get_cname(), host_->get_cname(), actor->get_cname(),
+            actor->host_->get_cname());
+
+  actor->exit();
+
+  if (std::find(begin(simix_global->process_to_run), end(simix_global->process_to_run), actor) ==
+          end(simix_global->process_to_run) &&
+      actor != this) {
+    XBT_DEBUG("Inserting %s in the to_run list", actor->get_cname());
+    simix_global->process_to_run.push_back(actor);
+  }
+}
+
+void ActorImpl::kill_all()
+{
+  for (auto const& kv : simix_global->process_list)
+    if (kv.second != this)
+      this->kill(kv.second);
+}
+
 void ActorImpl::set_kill_time(double kill_time)
 {
   if (kill_time <= SIMIX_get_clock())
     return;
   XBT_DEBUG("Set kill time %f for process %s@%s", kill_time, get_cname(), host_->get_cname());
   kill_timer = SIMIX_timer_set(kill_time, [this] {
-    SIMIX_process_kill(this, nullptr);
+    this->exit();
     kill_timer = nullptr;
   });
 }
@@ -146,7 +225,7 @@ simgrid::s4u::Actor* ActorImpl::restart()
   simgrid::kernel::actor::ProcessArg arg = ProcessArg(host_, this);
 
   // kill the old process
-  SIMIX_process_kill(this, (this == simix_global->maestro_process) ? this : SIMIX_process_self());
+  (this == simix_global->maestro_process) ? this->exit() : SIMIX_process_self()->kill(this);
 
   // start the new process
   ActorImplPtr actor =
@@ -174,13 +253,13 @@ smx_activity_t ActorImpl::suspend(ActorImpl* issuer)
 
     return nullptr;
   } else {
-    return SIMIX_execution_start("suspend", "", 0.0, 1.0, 0.0, this->host_);
+    return activity::ExecImplPtr(new activity::ExecImpl("suspend", "", nullptr, this->host_))->start(0.0, 1.0, 0.0);
   }
 }
 
 void ActorImpl::resume()
 {
-  XBT_IN("process = %p", this);
+  XBT_IN("actor = %p", this);
 
   if (context_->iwannadie) {
     XBT_VERB("Ignoring request to suspend an actor that is currently dying.");
@@ -198,19 +277,28 @@ void ActorImpl::resume()
   XBT_OUT();
 }
 
+smx_activity_t ActorImpl::join(smx_actor_t actor, double timeout)
+{
+  smx_activity_t res = this->sleep(timeout);
+  intrusive_ptr_add_ref(res.get());
+  SIMIX_process_on_exit(actor,
+                        [](int, void* arg) {
+                          auto sleep = static_cast<simgrid::kernel::activity::SleepImpl*>(arg);
+                          if (sleep->surf_action_)
+                            sleep->surf_action_->finish(simgrid::kernel::resource::Action::State::FINISHED);
+                          intrusive_ptr_release(sleep);
+                        },
+                        res.get());
+  return res;
+}
 smx_activity_t ActorImpl::sleep(double duration)
 {
-  if (host_->is_off())
+  if (not host_->is_on())
     throw_exception(std::make_exception_ptr(simgrid::HostFailureException(
         XBT_THROW_POINT, std::string("Host ") + std::string(host_->get_cname()) + " failed, you cannot sleep there.")));
 
-  simgrid::kernel::activity::SleepImpl* synchro = new simgrid::kernel::activity::SleepImpl();
-  synchro->host                                 = host_;
-  synchro->surf_action_                         = host_->pimpl_cpu->sleep(duration);
-  synchro->surf_action_->set_data(synchro);
-  XBT_DEBUG("Create sleep synchronization %p", synchro);
-
-  return synchro;
+  return simgrid::kernel::activity::SleepImplPtr(new simgrid::kernel::activity::SleepImpl("sleep", host_))
+      ->start(duration);
 }
 
 void ActorImpl::throw_exception(std::exception_ptr e)
@@ -225,8 +313,8 @@ void ActorImpl::throw_exception(std::exception_ptr e)
 
     simgrid::kernel::activity::ExecImplPtr exec =
         boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(waiting_synchro);
-    if (exec != nullptr && exec->surf_action_)
-      exec->surf_action_->cancel();
+    if (exec != nullptr)
+      exec->cancel();
 
     simgrid::kernel::activity::CommImplPtr comm =
         boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(waiting_synchro);
@@ -242,7 +330,7 @@ void ActorImpl::throw_exception(std::exception_ptr e)
       if (std::find(begin(simix_global->process_to_run), end(simix_global->process_to_run), this) ==
               end(simix_global->process_to_run) &&
           this != SIMIX_process_self()) {
-        XBT_DEBUG("Inserting %s in the to_run list", get_cname());
+        XBT_DEBUG("Inserting [%p] %s in the to_run list", this, get_cname());
         simix_global->process_to_run.push_back(this);
       }
     }
@@ -256,19 +344,26 @@ void ActorImpl::throw_exception(std::exception_ptr e)
     simgrid::kernel::activity::IoImplPtr io =
         boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(waiting_synchro);
     if (io != nullptr) {
-      delete io.get();
+      io->cancel();
     }
   }
   waiting_synchro = nullptr;
 }
 
+void ActorImpl::set_host(sg_host_t dest)
+{
+  simgrid::xbt::intrusive_erase(host_->pimpl_->process_list_, *this);
+  host_ = dest;
+  dest->pimpl_->process_list_.push_back(*this);
+}
+
 ActorImplPtr ActorImpl::create(std::string name, simgrid::simix::ActorCode code, void* data, simgrid::s4u::Host* host,
                                std::unordered_map<std::string, std::string>* properties, smx_actor_t parent_actor)
 {
 
   XBT_DEBUG("Start actor %s@'%s'", name.c_str(), host->get_cname());
 
-  if (host->is_off()) {
+  if (not host->is_on()) {
     XBT_WARN("Cannot launch actor '%s' on failed host '%s'", name.c_str(), host->get_cname());
     return nullptr;
   }
@@ -298,7 +393,7 @@ ActorImplPtr ActorImpl::create(std::string name, simgrid::simix::ActorCode code,
 
   /* Now insert it in the global process list and in the process to run list */
   simix_global->process_list[actor->pid_] = actor;
-  XBT_DEBUG("Inserting %s(%s) in the to_run list", actor->get_cname(), host->get_cname());
+  XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), host->get_cname());
   simix_global->process_to_run.push_back(actor);
   intrusive_ptr_add_ref(actor);
 
@@ -336,7 +431,7 @@ smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostn
   sg_host_t host = sg_host_by_name(hostname);
   XBT_DEBUG("Attach process %s on host '%s'", name, hostname);
 
-  if (host->is_off()) {
+  if (not host->is_on()) {
     XBT_WARN("Cannot launch process '%s' on failed host '%s'", name, hostname);
     return nullptr;
   }
@@ -363,7 +458,7 @@ smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostn
 
   /* Now insert it in the global process list and in the process to run list */
   simix_global->process_list[actor->pid_] = actor;
-  XBT_DEBUG("Inserting %s(%s) in the to_run list", actor->get_cname(), host->get_cname());
+  XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), host->get_cname());
   simix_global->process_to_run.push_back(actor);
   intrusive_ptr_add_ref(actor);
 
@@ -405,89 +500,6 @@ void SIMIX_process_runall()
   simix_global->process_to_run.clear();
 }
 
-/**
- * @brief Internal function to kill a SIMIX process.
- *
- * This function may be called when a SIMCALL_PROCESS_KILL simcall occurs,
- * or directly for SIMIX internal purposes.
- *
- * @param actor poor victim
- * @param issuer the actor which has sent the PROCESS_KILL. Important to not schedule twice the same actor.
- */
-void SIMIX_process_kill(smx_actor_t actor, smx_actor_t issuer)
-{
-
-  if (actor->finished_) {
-    XBT_DEBUG("Ignoring request to kill process %s@%s that is already dead", actor->get_cname(),
-              actor->host_->get_cname());
-    return;
-  }
-
-  XBT_DEBUG("Actor '%s'@%s is killing actor '%s'@%s", issuer == nullptr ? "(null)" : issuer->get_cname(),
-            (issuer == nullptr || issuer->host_ == nullptr ? "(null)" : issuer->host_->get_cname()), actor->get_cname(),
-            actor->host_->get_cname());
-
-  actor->context_->iwannadie = true;
-  actor->blocked_            = false;
-  actor->suspended_          = false;
-  actor->exception           = nullptr;
-
-  // Forcefully kill the actor if its host is turned off. Not an HostFailureException because you should not survive that
-  if (actor->host_->is_off())
-    actor->throw_exception(std::make_exception_ptr(simgrid::kernel::context::StopRequest("host failed")));
-
-  /* destroy the blocking synchro if any */
-  if (actor->waiting_synchro != nullptr) {
-
-    simgrid::kernel::activity::ExecImplPtr exec =
-        boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(actor->waiting_synchro);
-    simgrid::kernel::activity::CommImplPtr comm =
-        boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(actor->waiting_synchro);
-    simgrid::kernel::activity::SleepImplPtr sleep =
-        boost::dynamic_pointer_cast<simgrid::kernel::activity::SleepImpl>(actor->waiting_synchro);
-    simgrid::kernel::activity::RawImplPtr raw =
-        boost::dynamic_pointer_cast<simgrid::kernel::activity::RawImpl>(actor->waiting_synchro);
-    simgrid::kernel::activity::IoImplPtr io =
-        boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(actor->waiting_synchro);
-
-    if (exec != nullptr) {
-      if (exec->surf_action_) {
-        exec->surf_action_->cancel();
-        exec->surf_action_->unref();
-        exec->surf_action_ = nullptr;
-      }
-    } else if (comm != nullptr) {
-      actor->comms.remove(actor->waiting_synchro);
-      comm->cancel();
-      // Remove first occurrence of &process->simcall:
-      auto i = boost::range::find(actor->waiting_synchro->simcalls_, &actor->simcall);
-      if (i != actor->waiting_synchro->simcalls_.end())
-        actor->waiting_synchro->simcalls_.remove(&actor->simcall);
-    } else if (sleep != nullptr) {
-      if (sleep->surf_action_)
-        sleep->surf_action_->cancel();
-      sleep->post();
-    } else if (raw != nullptr) {
-      SIMIX_synchro_stop_waiting(actor, &actor->simcall);
-
-    } else if (io != nullptr) {
-      delete io.get();
-    } else {
-      simgrid::kernel::activity::ActivityImplPtr activity = actor->waiting_synchro;
-      xbt_die("Activity %s is of unknown type %s", activity->name_.c_str(),
-              simgrid::xbt::demangle(typeid(activity).name()).get());
-    }
-
-    actor->waiting_synchro = nullptr;
-  }
-  if (std::find(begin(simix_global->process_to_run), end(simix_global->process_to_run), actor) ==
-          end(simix_global->process_to_run) &&
-      actor != issuer) {
-    XBT_DEBUG("Inserting %s in the to_run list", actor->get_cname());
-    simix_global->process_to_run.push_back(actor);
-  }
-}
-
 /** @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)
@@ -502,8 +514,8 @@ void SIMIX_process_throw(smx_actor_t actor, xbt_errcat_t cat, int value, const c
 
     simgrid::kernel::activity::ExecImplPtr exec =
         boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(actor->waiting_synchro);
-    if (exec != nullptr && exec->surf_action_)
-      exec->surf_action_->cancel();
+    if (exec != nullptr)
+      exec->cancel();
 
     simgrid::kernel::activity::CommImplPtr comm =
         boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(actor->waiting_synchro);
@@ -519,7 +531,7 @@ void SIMIX_process_throw(smx_actor_t actor, xbt_errcat_t cat, int value, const c
       if (std::find(begin(simix_global->process_to_run), end(simix_global->process_to_run), actor) ==
               end(simix_global->process_to_run) &&
           actor != SIMIX_process_self()) {
-        XBT_DEBUG("Inserting %s in the to_run list", actor->get_cname());
+        XBT_DEBUG("Inserting [%p] %s in the to_run list", actor, actor->get_cname());
         simix_global->process_to_run.push_back(actor);
       }
     }
@@ -533,31 +545,12 @@ void SIMIX_process_throw(smx_actor_t actor, xbt_errcat_t cat, int value, const c
     simgrid::kernel::activity::IoImplPtr io =
         boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(actor->waiting_synchro);
     if (io != nullptr) {
-      delete io.get();
+      io->cancel();
     }
   }
   actor->waiting_synchro = nullptr;
 }
 
-/**
- * @brief Kills all running processes.
- * @param issuer this one will not be killed
- */
-void SIMIX_process_killall(smx_actor_t issuer)
-{
-  for (auto const& kv : simix_global->process_list)
-    if (kv.second != issuer)
-      SIMIX_process_kill(kv.second, issuer);
-}
-
-void SIMIX_process_change_host(smx_actor_t actor, sg_host_t dest)
-{
-  xbt_assert((actor != nullptr), "Invalid parameters");
-  simgrid::xbt::intrusive_erase(actor->host_->pimpl_->process_list_, *actor);
-  actor->host_ = dest;
-  dest->pimpl_->process_list_.push_back(*actor);
-}
-
 void simcall_HANDLER_process_suspend(smx_simcall_t simcall, smx_actor_t actor)
 {
   smx_activity_t sync_suspend = actor->suspend(simcall->issuer);
@@ -616,26 +609,11 @@ void simcall_HANDLER_process_join(smx_simcall_t simcall, smx_actor_t process, do
     SIMIX_simcall_answer(simcall);
     return;
   }
-  smx_activity_t sync = SIMIX_process_join(simcall->issuer, process, timeout);
+  smx_activity_t sync = simcall->issuer->join(process, timeout);
   sync->simcalls_.push_back(simcall);
   simcall->issuer->waiting_synchro = sync;
 }
 
-smx_activity_t SIMIX_process_join(smx_actor_t issuer, smx_actor_t process, double timeout)
-{
-  smx_activity_t res = issuer->sleep(timeout);
-  intrusive_ptr_add_ref(res.get());
-  SIMIX_process_on_exit(process,
-                        [](int, void* arg) {
-                          auto sleep = static_cast<simgrid::kernel::activity::SleepImpl*>(arg);
-                          if (sleep->surf_action_)
-                            sleep->surf_action_->finish(simgrid::kernel::resource::Action::State::FINISHED);
-                          intrusive_ptr_release(sleep);
-                        },
-                        res.get());
-  return res;
-}
-
 void simcall_HANDLER_process_sleep(smx_simcall_t simcall, double duration)
 {
   if (MC_is_active() || MC_record_replay_is_active()) {
@@ -705,7 +683,9 @@ void SIMIX_process_yield(smx_actor_t self)
   }
 }
 
-/** @brief Returns the list of processes to run. */
+/** @brief Returns the list of processes to run.
+ * @deprecated
+ */
 const std::vector<smx_actor_t>& simgrid::simix::process_get_runnable()
 {
   return simix_global->process_to_run;
@@ -750,7 +730,8 @@ smx_actor_t simcall_process_create(std::string name, simgrid::simix::ActorCode c
 {
   smx_actor_t self = SIMIX_process_self();
   return simgrid::simix::simcall([name, code, data, host, properties, self] {
-    return simgrid::kernel::actor::ActorImpl::create(name, std::move(code), data, host, properties, self).get();
+    return simgrid::kernel::actor::ActorImpl::create(std::move(name), std::move(code), data, host, properties, self)
+        .get();
   });
 }