From: Pierre-Nicolas Clauss <pini@tuxfamily.org>
Date: Wed, 4 May 2011 07:58:46 +0000 (+0200)
Subject: Be a little more verbose before aborting.
X-Git-Tag: exp_20120216~195^2~53
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/d53431528f4a3831cf152f932b36e80a86083113?ds=sidebyside

Be a little more verbose before aborting.
---

diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c
index 1b98966471..ad839cbbf5 100644
--- a/src/smpi/smpi_global.c
+++ b/src/smpi/smpi_global.c
@@ -5,6 +5,7 @@
   * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "private.h"
@@ -98,6 +99,7 @@ int smpi_global_size(void) {
    char* value = getenv("SMPI_GLOBAL_SIZE");
 
    if(!value) {
+      fprintf(stderr, "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n");
       abort();
    }
    return atoi(value);