more verbose output following a weird crash on my laptop

[simgrid.git] / src / smpi / smpi_bench.c

diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c
index 72230db..de1e9b9 100644 (file)
--- a/src/smpi/smpi_bench.c
+++ b/src/smpi/smpi_bench.c
@@ -754,7 +754,8 @@ void smpi_initialize_global_memory_segments(){
 
       int file_descriptor= mkstemp (path);
       if (file_descriptor < 0)
-        xbt_die("Impossible to create temporary file for memory mapping");
+        xbt_die("Impossible to create temporary file for memory mapping: %s",
+               strerror(errno));
 
       status = unlink (path);
       if (status)