Use a reference as parameter for signal callbacks.

[simgrid.git] / src / kernel / actor / ActorImpl.cpp

diff --git a/src/kernel/actor/ActorImpl.cpp b/src/kernel/actor/ActorImpl.cpp
index 37c1d13..95dc840 100644 (file)
--- a/src/kernel/actor/ActorImpl.cpp
+++ b/src/kernel/actor/ActorImpl.cpp
@@ -33,7 +33,7 @@ static unsigned long simix_process_maxpid = 0;
  */
 smx_actor_t SIMIX_process_self()
 {
-  smx_context_t self_context = simgrid::kernel::context::Context::self();
+  simgrid::kernel::context::Context* self_context = simgrid::kernel::context::Context::self();
 
   return (self_context != nullptr) ? self_context->get_actor() : nullptr;
 }
@@ -110,8 +110,7 @@ ActorImplPtr ActorImpl::attach(const std::string& name, void* data, s4u::Host* h
   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);
+  simgrid::s4u::Actor::on_creation(*actor->ciface());
 
   return ActorImplPtr(actor);
 }
@@ -133,6 +132,29 @@ void ActorImpl::detach()
 
 void ActorImpl::cleanup()
 {
+  finished_ = true;
+
+  if (has_to_auto_restart() && not get_host()->is_on()) {
+    XBT_DEBUG("Insert host %s to watched_hosts because it's off and %s needs to restart", get_host()->get_cname(),
+              get_cname());
+    watched_hosts.insert(get_host()->get_name());
+  }
+
+  // Execute the termination callbacks
+  smx_process_exit_status_t exit_status = (context_->iwannadie) ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS;
+  while (not on_exit.empty()) {
+    s_smx_process_exit_fun_t exit_fun = on_exit.back();
+    on_exit.pop_back();
+    (exit_fun.fun)(exit_status, exit_fun.arg);
+  }
+
+  /* cancel non-blocking activities */
+  for (auto activity : comms)
+    boost::static_pointer_cast<activity::CommImpl>(activity)->cancel();
+  comms.clear();
+
+  XBT_DEBUG("%s@%s(%ld) should not run anymore", get_cname(), get_host()->get_cname(), get_pid());
+
   if (this == simix_global->maestro_process) /* Do not cleanup maestro */
     return;
 
@@ -155,9 +177,12 @@ void ActorImpl::cleanup()
 #endif
     simix_global->actors_to_destroy.push_back(*this);
   }
-  context_->iwannadie = false;
 
   simix_global->mutex.unlock();
+
+  context_->iwannadie = false; // don't let the simcall's yield() do a Context::stop(), to avoid infinite loops
+  simgrid::simix::simcall([this] { simgrid::s4u::Actor::on_destruction(*ciface()); });
+  context_->iwannadie = true;
 }
 
 void ActorImpl::exit()
@@ -276,7 +301,6 @@ void ActorImpl::yield()
   XBT_DEBUG("Control returned to me: '%s'", get_cname());
 
   if (context_->iwannadie) {
-
     XBT_DEBUG("Actor %s@%s is dead", get_cname(), host_->get_cname());
     // throw simgrid::kernel::context::ForcefulKillException(); Does not seem to properly kill the actor
     context_->stop();
@@ -315,13 +339,15 @@ void ActorImpl::daemonize()
 
 s4u::Actor* ActorImpl::restart()
 {
+  xbt_assert(this != simix_global->maestro_process, "Restarting maestro is not supported");
+
   XBT_DEBUG("Restarting actor %s on %s", get_cname(), host_->get_cname());
 
   // retrieve the arguments of the old actor
   ProcessArg arg = ProcessArg(host_, this);
 
   // kill the old actor
-  (this == simix_global->maestro_process) ? this->exit() : SIMIX_process_self()->kill(this);
+  context::Context::self()->get_actor()->kill(this);
 
   // start the new actor
   ActorImplPtr actor =
@@ -459,7 +485,7 @@ ActorImplPtr ActorImpl::init(const std::string& name, s4u::Host* host)
 
   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());
+  s4u::Actor::on_creation(*actor->ciface());
 
   return ActorImplPtr(actor);
 }