+static void print_usage(struct model_params *params) {
+ printf(
+"Usage: <program name> [MC_OPTIONS] -- [PROGRAM ARGUMENTS]\n"
+"\n"
+"Options:\n"
+"-h Display this help message and exit\n"
+"-m Maximum times a thread can read from the same write\n"
+" while other writes exist. Default: %d\n"
+"-s Maximum actions that the model checker will wait for\n"
+" a write from the future past the expected number of\n"
+" actions. Default: %d\n"
+"-f Specify a fairness window in which actions that are\n"
+" enabled sufficiently many times should receive\n"
+" priority for execution. Default: %d\n"
+"-e Enabled count. Default: %d\n"
+"-- Program arguments follow.\n\n",
+params->maxreads, params->maxfuturedelay, params->fairwindow, params->enabledcount);
+ exit(EXIT_SUCCESS);
+}
+
+static void parse_options(struct model_params *params, int *argc, char ***argv) {
+ const char *shortopts = "hm:s:f:e:";
+ int opt;
+ bool error = false;
+ while (!error && (opt = getopt(*argc, *argv, shortopts)) != -1) {
+ switch (opt) {
+ case 'h':
+ print_usage(params);
+ break;
+ case 's':
+ params->maxfuturedelay = atoi(optarg);
+ break;
+ case 'f':
+ params->fairwindow = atoi(optarg);
+ break;
+ case 'e':
+ params->enabledcount = atoi(optarg);
+ break;
+ case 'm':
+ params->maxreads = atoi(optarg);
+ break;
+ default: /* '?' */
+ error = true;
+ break;
+ }
+ }
+ (*argc) -= optind;
+ (*argv) += optind;