From: degomme <augustin.degomme@unibas.ch>
Date: Tue, 18 Oct 2016 15:19:21 +0000 (+0200)
Subject: Add a check so that process_init exits cleanly when improperly called.
X-Git-Tag: v3_14~305
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/da71981c2747f50fc9db495993504b3d5cab7c73

Add a check so that process_init exits cleanly when improperly called.
---

diff --git a/src/smpi/smpi_global.cpp b/src/smpi/smpi_global.cpp
index 72a89925a0..a804bcb990 100644
--- a/src/smpi/smpi_global.cpp
+++ b/src/smpi/smpi_global.cpp
@@ -99,6 +99,10 @@ static char *get_mailbox_name_small(char *str, int index)
 void smpi_process_init(int *argc, char ***argv)
 {
 
+  if (process_data == nullptr){
+    printf("SimGrid was not initialized properly before entering MPI_Init. Aborting, please check compilation process and use smpirun\n");
+    exit(1);
+  }
   if (argc != nullptr && argv != nullptr) {
     smx_actor_t proc = SIMIX_process_self();
     proc->context->set_cleanup(&MSG_process_cleanup_from_SIMIX);