X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=blobdiff_plain;f=main.cc;h=dc3f6f4dca002d6e763e5bbf25068260d3edc828;hp=4de59674c8a2410fa6717c656e8746636ec3b6e1;hb=5fa2efec1354b2781ff0b29460ec8e9b8fa75991;hpb=322fd21c16209780d43872cc44bb68d38172eabc

diff --git a/main.cc b/main.cc
index 4de59674..dc3f6f4d 100644
--- a/main.cc
+++ b/main.cc
@@ -1,82 +1,150 @@
-#include "libthreads.h"
+/** @file main.cc
+ *  @brief Entry point for the model checker.
+ */
+
+#include <unistd.h>
+
 #include "common.h"
-#include "threads.h"
+#include "output.h"
+
+#include "datarace.h"
 
 /* global "model" object */
 #include "model.h"
-#include "snapshot.h"
+#include "snapshot-interface.h"
 
-/*
- * Return 1 if found next thread, 0 otherwise
- */
-int num;
-int num1;
-int num2;
-
-static int thread_system_next(void) {
-  Thread *curr, *next;
-  
-  curr = thread_current();
-  if (curr) {
-    if (curr->get_state() == THREAD_READY) {
-      model->check_current_action();
-      model->scheduler->add_thread(curr);
-    } else if (curr->get_state() == THREAD_RUNNING)
-      /* Stopped while running; i.e., completed */
-      curr->complete();
-    else
-      ASSERT(false);
-  }
-  next = model->scheduler->next_thread();
-  if (next)
-    next->set_state(THREAD_RUNNING);
-  DEBUG("(%d, %d)\n", curr ? curr->get_id() : -1, next ? next->get_id() : -1);
-  if (!next)
-    return 1;
-  return Thread::swap(model->get_system_context(), next);
+static void param_defaults(struct model_params *params)
+{
+	params->maxreads = 0;
+	params->maxfuturedelay = 100;
+	params->fairwindow = 0;
+	params->enabledcount = 1;
+	params->bound = 0;
+	params->maxfuturevalues = 0;
+	params->expireslop = 10;
+	params->verbose = 0;
 }
 
-static void thread_wait_finish(void) {
-  DBG();
+static void print_usage(struct model_params *params)
+{
+	/* Reset defaults before printing */
+	param_defaults(params);
 
-  while (!thread_system_next());
+	model_print(
+"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"
+"-M                    Maximum number of future values that can be sent to\n"
+"                      the same read. 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"
+"-S                    Future value expiration sloppiness. Default: %u\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"
+"-b                    Upper length bound. Default: %d\n"
+"-v                    Print verbose execution information.\n"
+"--                    Program arguments follow.\n\n",
+params->maxreads, params->maxfuturevalues, params->maxfuturedelay, params->expireslop, params->fairwindow, params->enabledcount, params->bound);
+	exit(EXIT_SUCCESS);
 }
 
-void real_main() {
-  thrd_t user_thread;
-  ucontext_t main_context;
-  
-  model = new ModelChecker();
-  
-  if (getcontext(&main_context))
-    return;
-  
-  model->set_system_context(&main_context);
-
-  do {
-    /* Start user program */
-    model->add_thread(new Thread(&user_thread, &user_main, NULL));
-    
-    /* Wait for all threads to complete */
-    thread_wait_finish();
-  } while (model->next_execution());
-  
-  delete model;
-  
-  DEBUG("Exiting\n");
+static void parse_options(struct model_params *params, int argc, char **argv)
+{
+	const char *shortopts = "hm:M:s:S:f:e:b:v";
+	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 'S':
+			params->expireslop = atoi(optarg);
+			break;
+		case 'f':
+			params->fairwindow = atoi(optarg);
+			break;
+		case 'e':
+			params->enabledcount = atoi(optarg);
+			break;
+		case 'b':
+			params->bound = atoi(optarg);
+			break;
+		case 'm':
+			params->maxreads = atoi(optarg);
+			break;
+		case 'M':
+			params->maxfuturevalues = atoi(optarg);
+			break;
+		case 'v':
+			params->verbose = 1;
+			break;
+		default: /* '?' */
+			error = true;
+			break;
+		}
+	}
+
+	/* Pass remaining arguments to user program */
+	params->argc = argc - (optind - 1);
+	params->argv = argv + (optind - 1);
+
+	/* Reset program name */
+	params->argv[0] = argv[0];
+
+	/* Reset (global) optind for potential use by user program */
+	optind = 1;
+
+	if (error)
+		print_usage(params);
 }
 
-int main_numargs;
-char ** main_args;
+int main_argc;
+char **main_argv;
 
-/*
- * Main system function
+/** The model_main function contains the main model checking loop. */
+static void model_main()
+{
+	struct model_params params;
+
+	param_defaults(&params);
+
+	parse_options(&params, main_argc, main_argv);
+
+	//Initialize race detector
+	initRaceDetector();
+
+	snapshot_stack_init();
+
+	model = new ModelChecker(params);
+	snapshot_record(0);
+	model->run();
+	delete model;
+
+	DEBUG("Exiting\n");
+}
+
+/**
+ * Main function.  Just initializes snapshotting library and the
+ * snapshotting library calls the model_main function.
  */
-int main(int numargs, char ** args) {
-  /* Stash this stuff in case someone wants it eventually */
-  main_numargs=numargs;
-  main_args=args;
+int main(int argc, char **argv)
+{
+	main_argc = argc;
+	main_argv = argv;
+
+	/* Configure output redirection for the model-checker */
+	redirect_output();
 
-  /* Let's jump in quickly and start running stuff */
-  initSnapShotLibrary(10000 /*int numbackingpages*/, 1024 /*unsigned int numsnapshots*/, 1024 /*unsigned int nummemoryregions*/ , 1000 /*int numheappages*/, &real_main /*MyFuncPtr entryPoint*/);
+	/* Let's jump in quickly and start running stuff */
+	snapshot_system_init(10000, 1024, 1024, 4000, &model_main);
 }