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Cosmetics: get rid of stringstream.
[simgrid.git] / src / smpi / internals / smpi_global.cpp
index 2c66eb3..47c2a5c 100644 (file)
@@ -57,6 +57,7 @@ std::unordered_map<std::string, double> location2speedup;
 
 static std::map</*process_id*/ ActorPtr, simgrid::smpi::Process*> process_data;
 int process_count = 0;
+static int smpi_exit_status = 0;
 int smpi_universe_size = 0;
 extern double smpi_total_benched_time;
 xbt_os_timer_t global_timer;
@@ -84,12 +85,6 @@ static simgrid::config::Flag<double> smpi_init_sleep(
 
 void (*smpi_comm_copy_data_callback) (smx_activity_t, void*, size_t) = &smpi_comm_copy_buffer_callback;
 
-void smpi_add_process(ActorPtr actor)
-{
-  process_data.insert({actor, new simgrid::smpi::Process(actor, nullptr)});
-  // smpi_deployment_register_process("master_mpi", 0, actor);
-}
-
 int smpi_process_count()
 {
   return process_count;
@@ -197,9 +192,7 @@ void smpi_comm_copy_buffer_callback(smx_activity_t synchro, void *buff, size_t b
       (static_cast<char*>(buff) < smpi_data_exe_start + smpi_data_exe_size)) {
     XBT_DEBUG("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !");
 
-    smpi_switch_data_segment(
-        static_cast<simgrid::smpi::Process*>((static_cast<simgrid::msg::ActorExt*>(comm->src_proc->userdata)->data))
-            ->index());
+    smpi_switch_data_segment(Actor::self()->getPid());
     tmpbuff = static_cast<void*>(xbt_malloc(buff_size));
     memcpy_private(tmpbuff, buff, private_blocks);
   }
@@ -207,9 +200,7 @@ void smpi_comm_copy_buffer_callback(smx_activity_t synchro, void *buff, size_t b
   if ((smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) && ((char*)comm->dst_buff >= smpi_data_exe_start) &&
       ((char*)comm->dst_buff < smpi_data_exe_start + smpi_data_exe_size)) {
     XBT_DEBUG("Privatization : We are copying to a zone inside global memory - Switch data segment");
-    smpi_switch_data_segment(
-        static_cast<simgrid::smpi::Process*>((static_cast<simgrid::msg::ActorExt*>(comm->dst_proc->userdata)->data))
-            ->index());
+    smpi_switch_data_segment(Actor::self()->getPid());
   }
   XBT_DEBUG("Copying %zu bytes from %p to %p", buff_size, tmpbuff,comm->dst_buff);
   memcpy_private(comm->dst_buff, tmpbuff, private_blocks);
@@ -354,18 +345,6 @@ void smpi_global_destroy()
   smpi_bench_destroy();
   smpi_shared_destroy();
   smpi_deployment_cleanup_instances();
-  for (auto& pair : process_data) {
-    auto& process = pair.second;
-    if (process->comm_self() != MPI_COMM_NULL) {
-      simgrid::smpi::Comm::destroy(process->comm_self());
-    }
-    if (process->comm_intra() != MPI_COMM_NULL) {
-      simgrid::smpi::Comm::destroy(process->comm_intra());
-    }
-    xbt_os_timer_free(process->timer());
-    xbt_mutex_destroy(process->mailboxes_mutex());
-  }
-  process_data.clear();
 
   if (simgrid::smpi::Colls::smpi_coll_cleanup_callback != nullptr)
     simgrid::smpi::Colls::smpi_coll_cleanup_callback();
@@ -441,6 +420,8 @@ static int smpi_run_entry_point(smpi_entry_point_type entry_point, std::vector<s
   if (res != 0){
     XBT_WARN("SMPI process did not return 0. Return value : %d", res);
     smpi_process()->set_return_value(res);
+    if (smpi_exit_status == 0)
+      smpi_exit_status = res;
   }
   return 0;
 }
@@ -613,26 +594,26 @@ int smpi_main(const char* executable, int argc, char *argv[])
       "You may want to use sampling functions or trace replay to reduce this.");
     }
   }
-  int ret   = 0;
-  for (auto& pair : process_data) {
-    auto& smpi_process = pair.second;
-    if (smpi_process->return_value() != 0) {
-      ret = smpi_process->return_value(); // return first non 0 value
-      break;
-    }
-  }
   smpi_global_destroy();
 
   TRACE_end();
 
-  return ret;
+  return smpi_exit_status;
 }
 
 // Called either directly from the user code, or from the code called by smpirun
 void SMPI_init(){
   simgrid::s4u::Actor::onCreation.connect([](simgrid::s4u::ActorPtr actor) {
-    smpi_add_process(actor);
+    process_data.insert({actor, new simgrid::smpi::Process(actor, nullptr)});
   });
+  simgrid::s4u::Actor::onDestruction.connect([](simgrid::s4u::ActorPtr actor) {
+    auto it = process_data.find(actor);
+    if (it != process_data.end()) {
+      delete it->second;
+      process_data.erase(it);
+    }
+  });
+
   smpi_init_options();
   smpi_global_init();
   smpi_check_options();