* @brief Entry point for the model checker.
*/
+#include <unistd.h>
+
#include "libthreads.h"
#include "common.h"
#include "threads.h"
#include "model.h"
#include "snapshot-interface.h"
-static void parse_options(struct model_params *params, int argc, char **argv) {
+static void param_defaults(struct model_params * params) {
+ params->maxreads = 0;
+ params->maxfuturedelay = 100;
+}
+
+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"
+"-- Program arguments follow.\n\n",
+ params->maxreads, params->maxfuturedelay);
+ exit(EXIT_SUCCESS);
+}
+
+static void parse_options(struct model_params *params, int *argc, char ***argv) {
+ const char *shortopts = "hm:s:";
+ 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 'm':
+ params->maxreads = atoi(optarg);
+ break;
+ default: /* '?' */
+ error = true;
+ break;
+ }
+ }
+ (*argc) -= optind;
+ (*argv) += optind;
+
+ if (error)
+ print_usage(params);
}
int main_argc;
thrd_t user_thread;
struct model_params params;
- parse_options(¶ms, main_argc, main_argv);
+ param_defaults(¶ms);
+
+ parse_options(¶ms, &main_argc, &main_argv);
//Initialize race detector
initRaceDetector();