try to fix some compilation erros

[simgrid.git] / src / mc / mc_global.cpp

diff --git a/src/mc/mc_global.cpp b/src/mc/mc_global.cpp
index ccda078..7ead3c5 100644 (file)
--- a/src/mc/mc_global.cpp
+++ b/src/mc/mc_global.cpp
@@ -508,8 +508,10 @@ void MC_print_statistics(mc_stats_t stats)
     if (_sg_mc_comms_determinism)
       XBT_INFO("Recv-deterministic : %s", !initial_global_state->recv_deterministic ? "No" : "Yes");
   }
-  if (getenv("SIMGRID_MC_SYSTEM_STATISTICS"))
-    system("free");
+  if (getenv("SIMGRID_MC_SYSTEM_STATISTICS")){
+    int ret=system("free");
+    if(ret!=0)XBT_WARN("system call did not return 0, but %d",ret);
+  }
 }
 
 void MC_automaton_load(const char *file)