add copyright message

[model-checker.git] / main.cc

diff --git a/main.cc b/main.cc
index 693e93c979244ed9061693be03df9f6029cda6d8..fd9536785bf763fc85e87e923f19e137ff8a1122 100644 (file)
--- a/main.cc
+++ b/main.cc
@@ -24,6 +24,7 @@ static void param_defaults(struct model_params *params)
        params->maxfuturevalues = 0;
        params->expireslop = 10;
        params->verbose = !!DBG_ENABLED();
+       params->uninitvalue = 0;
 }
 
 static void print_usage(struct model_params *params)
@@ -32,6 +33,8 @@ static void print_usage(struct model_params *params)
        param_defaults(params);
 
        model_print(
+"Copyright (c) 2013 Regents of the University of California. All rights reserved.\n"
+"Distributed under the GPLv2\n"
 "Usage: <program name> [MC_OPTIONS] -- [PROGRAM ARGUMENTS]\n"
 "\n"
 "Options:\n"
@@ -47,18 +50,20 @@ static void print_usage(struct model_params *params)
 "-f                    Specify a fairness window in which actions that are\n"
 "                      enabled sufficiently many times should receive\n"
 "                      priority for execution. Default: %d\n"
-"-y                    Turn on yield support. Default: %d\n"
+"-y                    Turn on CHESS yield-based fairness support.\n"
+"                      Default: %d\n"
 "-e                    Enabled count. Default: %d\n"
 "-b                    Upper length bound. Default: %d\n"
 "-v                    Print verbose execution information.\n"
+"-u                    Value for uninitialized reads. Default: %u\n"
 "--                    Program arguments follow.\n\n",
-params->maxreads, params->maxfuturevalues, params->maxfuturedelay, params->expireslop, params->fairwindow, params->yieldon, params->enabledcount, params->bound);
+params->maxreads, params->maxfuturevalues, params->maxfuturedelay, params->expireslop, params->fairwindow, params->yieldon, params->enabledcount, params->bound, params->uninitvalue);
        exit(EXIT_SUCCESS);
 }
 
 static void parse_options(struct model_params *params, int argc, char **argv)
 {
-       const char *shortopts = "hym:M:s:S:f:e:b:v";
+       const char *shortopts = "hym:M:s:S:f:e:b:u:v";
        int opt;
        bool error = false;
        while (!error && (opt = getopt(argc, argv, shortopts)) != -1) {
@@ -90,6 +95,9 @@ static void parse_options(struct model_params *params, int argc, char **argv)
                case 'v':
                        params->verbose = 1;
                        break;
+               case 'u':
+                       params->uninitvalue = atoi(optarg);
+                       break;
                case 'y':
                        params->yieldon = true;
                        break;