Merge branch 'master' of git+ssh://scm.gforge.inria.fr//gitroot/simgrid/simgrid

[simgrid.git] / src / smpi / internals / smpi_process.cpp

diff --git a/src/smpi/internals/smpi_process.cpp b/src/smpi/internals/smpi_process.cpp
index 66fc6d6..bb4f482 100644 (file)
--- a/src/smpi/internals/smpi_process.cpp
+++ b/src/smpi/internals/smpi_process.cpp
@@ -68,12 +68,12 @@ Process::Process(int index, msg_bar_t finalization_barrier)
 void Process::set_data(int index, int* argc, char*** argv)
 {
     char* instance_id = (*argv)[1];
-    comm_world_         = smpi_deployment_comm_world(instance_id);
-    msg_bar_t bar = smpi_deployment_finalization_barrier(instance_id);
-    if (bar!=nullptr) // don't overwrite the default one
+    comm_world_       = smpi_deployment_comm_world(instance_id);
+    msg_bar_t bar     = smpi_deployment_finalization_barrier(instance_id);
+    if (bar != nullptr) // don't overwrite the current one if the instance has none
       finalization_barrier_ = bar;
     instance_id_ = instance_id;
-    index_ = index;
+    index_       = index;
 
     static_cast<simgrid::msg::ActorExt*>(SIMIX_process_self()->userdata)->data = this;
 
@@ -280,7 +280,7 @@ void Process::init(int *argc, char ***argv){
     smx_actor_t proc = SIMIX_process_self();
     proc->context->set_cleanup(&MSG_process_cleanup_from_SIMIX);
 
-    int index = proc->pid - 1;
+    int index = proc->pid - 1; // The maestro process has always ID 0 but we don't need that process here
 
     if(index_to_process_data == nullptr){
       index_to_process_data=static_cast<int*>(xbt_malloc(SIMIX_process_count()*sizeof(int)));