stop parsing the command line when encountering '--'

[simgrid.git] / src / simgrid / sg_config.cpp

diff --git a/src/simgrid/sg_config.cpp b/src/simgrid/sg_config.cpp
index c026309..2367331 100644 (file)
--- a/src/simgrid/sg_config.cpp
+++ b/src/simgrid/sg_config.cpp
@@ -41,18 +41,22 @@ static void sg_config_cmd_line(int *argc, char **argv)
   int shall_exit = 0;
   int i;
   int j;
+  bool parse_args = true; // Stop parsing the parameters once we found '--'
 
   for (j = i = 1; i < *argc; i++) {
-    if (not strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
+    if (not strcmp("--", argv[i])) {
+      parse_args = false;
+      // Remove that '--' from the arguments
+    } else if (parse_args && not strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
       char *opt = strchr(argv[i], '=');
       opt++;
 
       simgrid::config::set_parse(opt);
       XBT_DEBUG("Did apply '%s' as config setting", opt);
-    } else if (not strcmp(argv[i], "--version")) {
+    } else if (parse_args && not strcmp(argv[i], "--version")) {
       printf("%s\n", SIMGRID_VERSION_STRING);
       shall_exit = 1;
-    } else if (not strcmp(argv[i], "--cfg-help") || not strcmp(argv[i], "--help")) {
+    } else if (parse_args && (not strcmp(argv[i], "--cfg-help") || not strcmp(argv[i], "--help"))) {
       printf("Description of the configuration accepted by this simulator:\n");
       simgrid::config::help();
       printf(
@@ -70,12 +74,12 @@ static void sg_config_cmd_line(int *argc, char **argv)
           "\n"
         );
       shall_exit = 1;
-    } else if (not strcmp(argv[i], "--help-aliases")) {
+    } else if (parse_args && not strcmp(argv[i], "--help-aliases")) {
       printf("Here is a list of all deprecated option names, with their replacement.\n");
       simgrid::config::show_aliases();
       printf("Please consider using the recent names\n");
       shall_exit = 1;
-    } else if (not strcmp(argv[i], "--help-models")) {
+    } else if (parse_args && not strcmp(argv[i], "--help-models")) {
       model_help("host", surf_host_model_description);
       printf("\n");
       model_help("CPU", surf_cpu_model_description);
@@ -88,7 +92,7 @@ static void sg_config_cmd_line(int *argc, char **argv)
                surf_optimization_mode_description[k].description);
       printf("Both network and CPU models have 'Lazy' as default optimization level\n\n");
       shall_exit = 1;
-    } else if (not strcmp(argv[i], "--help-tracing")) {
+    } else if (parse_args && not strcmp(argv[i], "--help-tracing")) {
       TRACE_help();
       shall_exit = 1;
     } else {
@@ -446,6 +450,9 @@ void sg_config_init(int *argc, char **argv)
   simgrid::config::declare_flag<std::string>("smpi/alltoallv", "Which collective to use for alltoallv", "");
   simgrid::config::declare_flag<std::string>("smpi/bcast", "Which collective to use for bcast", "");
   simgrid::config::declare_flag<std::string>("smpi/reduce", "Which collective to use for reduce", "");
+
+  simgrid::config::declare_flag<int>("smpi/plugin/lb/migration-frequency", "After how many migrations should the load balancer"
+                                                        "compute a new mapping?", 10);
 #endif // HAVE_SMPI
 
   /* Others */