X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bea71eb0cdea9abd9b6476bdaaecd26179d58cd8..e1b0e461601e641def843bb89f119af748971a6c:/src/surf/surf_config.c

diff --git a/src/surf/surf_config.c b/src/surf/surf_config.c
index 4eb17cfad1..617bffc175 100644
--- a/src/surf/surf_config.c
+++ b/src/surf/surf_config.c
@@ -247,11 +247,16 @@ static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
     SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
   }
   else {
-    XBT_WARN("Command line setting of the parallel synchronization mode should "
+    xbt_die("Command line setting of the parallel synchronization mode should "
         "be one of \"posix\", \"futex\" or \"busy_wait\"");
   }
 }
 
+static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
+{
+  surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
+}
+
 static void _surf_cfg_cb__surf_network_coordinates(const char *name,
                                                    int pos)
 {
@@ -469,7 +474,7 @@ void surf_config_init(int *argc, char **argv)
         xbt_cfgelm_int, &default_value_int, 1, 1,
         _surf_cfg_cb_contexts_parallel_threshold, NULL);
 
-    /* minimal number of user contexts to be run in parallel */
+    /* synchronization mode for parallel user contexts */
 #ifdef HAVE_FUTEX_H
     default_value = xbt_strdup("futex");
 #else //No futex on mac and posix is unimplememted yet
@@ -480,6 +485,13 @@ void surf_config_init(int *argc, char **argv)
         xbt_cfgelm_string, &default_value, 1, 1,
         _surf_cfg_cb_contexts_parallel_mode, NULL);
 
+    /* number of parallel threads for Surf */
+    default_value_int = surf_get_nthreads();
+    xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
+                     "Number of parallel threads used to update Surf models",
+                     xbt_cfgelm_int, &default_value_int, 1, 1,
+                     _surf_cfg_cb_surf_nthreads, NULL);
+
     default_value = xbt_strdup("no");
     xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
                      "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",