Revert "Revert "actually fix the memleak around smpi's process_data" and "try to...

[simgrid.git] / src / simix / ActorImpl.cpp

diff --git a/src/simix/ActorImpl.cpp b/src/simix/ActorImpl.cpp
index 7866fb0..a198260 100644 (file)
--- a/src/simix/ActorImpl.cpp
+++ b/src/simix/ActorImpl.cpp
@@ -145,6 +145,7 @@ void SIMIX_process_empty_trash()
 }
 
 namespace simgrid {
+
 namespace simix {
 
 ActorImpl::~ActorImpl()
@@ -321,16 +322,6 @@ smx_actor_t SIMIX_process_create(const char* name, std::function<void()> code, v
 
   if (parent_process != nullptr) {
     process->ppid = parent_process->pid;
-/* SMPI process have their own data segment and each other inherit from their father */
-#if HAVE_SMPI
-    if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) {
-      if (parent_process->pid != 0) {
-        process->segment_index = parent_process->segment_index;
-      } else {
-        process->segment_index = process->pid - 1;
-      }
-    }
-#endif
   }
 
   process->code         = code;
@@ -347,7 +338,7 @@ smx_actor_t SIMIX_process_create(const char* name, std::function<void()> code, v
   if (host->extension<simgrid::simix::Host>() == nullptr)
     host->extension_set<simgrid::simix::Host>(new simgrid::simix::Host());
 
-  /* Add the process to its host process list */
+  /* Add the process to its host's process list */
   host->extension<simgrid::simix::Host>()->process_list.push_back(*process);
 
   XBT_DEBUG("Start context '%s'", process->name.c_str());
@@ -357,10 +348,13 @@ smx_actor_t SIMIX_process_create(const char* name, std::function<void()> code, v
   XBT_DEBUG("Inserting %s(%s) in the to_run list", process->getCname(), host->getCname());
   simix_global->process_to_run.push_back(process);
   intrusive_ptr_add_ref(process);
-
   /* Tracing the process creation */
   TRACE_msg_process_create(process->getName(), process->pid, process->host);
 
+  /* The onCreation() signal must be delayed until there, where the pid and everything is set */
+  simgrid::s4u::ActorPtr tmp = process->iface(); // Passing this directly to onCreation will lead to crashes
+  simgrid::s4u::Actor::onCreation(tmp);
+
   return process;
 }
 
@@ -388,16 +382,6 @@ smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostn
 
   if (parent_process != nullptr) {
     process->ppid = parent_process->pid;
-    /* SMPI process have their own data segment and each other inherit from their father */
-#if HAVE_SMPI
-    if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) {
-      if (parent_process->pid != 0) {
-        process->segment_index = parent_process->segment_index;
-      } else {
-        process->segment_index = process->pid - 1;
-      }
-    }
-#endif
   }
 
   /* Process data for auto-restart */
@@ -420,6 +404,7 @@ smx_actor_t SIMIX_process_attach(const char* name, void* data, const char* hostn
   simix_global->process_list[process->pid] = process;
   XBT_DEBUG("Inserting %s(%s) in the to_run list", process->getCname(), host->getCname());
   simix_global->process_to_run.push_back(process);
+  intrusive_ptr_add_ref(process);
 
   /* Tracing the process creation */
   TRACE_msg_process_create(process->getName(), process->pid, process->host);
@@ -441,7 +426,6 @@ void SIMIX_process_detach()
   auto process = context->process();
   simix_global->cleanup_process_function(process);
   context->attach_stop();
-  delete process;
 }
 
 /**
@@ -773,8 +757,8 @@ void SIMIX_process_yield(smx_actor_t self)
     std::rethrow_exception(std::move(exception));
   }
 
-  if(SMPI_switch_data_segment && self->segment_index != -1){
-    SMPI_switch_data_segment(self->segment_index);
+  if(SMPI_switch_data_segment){
+    SMPI_switch_data_segment(self->pid);
   }
 }
 
@@ -799,6 +783,7 @@ smx_actor_t SIMIX_process_from_PID(aid_t PID)
 }
 
 void SIMIX_process_on_exit_runall(smx_actor_t process) {
+  simgrid::s4u::Actor::onDestruction(process->iface());
   smx_process_exit_status_t exit_status = (process->context->iwannadie) ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS;
   while (not process->on_exit.empty()) {
     s_smx_process_exit_fun_t exit_fun = process->on_exit.back();