Removed submodules

lab8-synch/main.c

@@ -0,0 +1,93 @@
+/*
+ * CS 361: Template project driver
+ *
+ * Name: Nicholas Tamassia
+ */
+
+#include <assert.h>
+#include <getopt.h>
+#include <inttypes.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mutex.h"
+#include "pingpong.h"
+
+int cmdline (int, char**, bool*, bool*, size_t *);
+
+void
+usage (void)
+{
+  printf ("Usage: synch option [option...]\n");
+  printf (" At least one argument must be passed\n");
+  printf (" Options are:\n");
+  printf ("  -m      Execute the runner() threads to demonstrate locks\n");
+  printf ("  -p N    Run pingong() with N iterations to demonstrate "
+          "semaphore-based timing\n");
+}
+
+int
+main (int argc, char **argv)
+{
+  bool run_mutex = false;
+  bool run_pingpong = false;
+  size_t count = 0;
+  if (cmdline (argc, argv, &run_mutex, &run_pingpong, &count) < 0)
+    {
+      usage ();
+      return EXIT_FAILURE;
+    }
+
+  // Use mutexes for mutual exclusion
+  if (run_mutex)
+    {
+      printf ("Running mutual exclusion test\n");
+      int64_t shared = run ();
+      printf ("Value of shared: %" PRId64 "\n", shared);
+    }
+
+  // Use semaphores to demonstrate signaling
+  if (run_pingpong)
+    {
+      printf ("Running %zd iteration(s) of ping-pong\n", count);
+      ping (&count);
+      printf ("There should be 0 iterations left: %zd\n", count);
+    }
+
+  pthread_exit (NULL);
+}
+
+/*****************************************************************************
+ ****************** DO NOT MODIFY FUNCTIONS IN THIS SECTION ******************
+ *****************************************************************************/
+
+int
+cmdline (int argc, char **argv, bool *mutex, bool *pingpong, size_t *count)
+{
+  int option;
+
+  while ((option = getopt (argc, argv, "mp:h")) != -1)
+    {
+      switch (option)
+        {
+        case 'm': *mutex = true;
+                  break;
+        case 'p': *pingpong = true;
+                  *count = strtol (optarg, NULL, 10);
+                  break;
+        case 'h': return -1;
+                  break;
+        default:  return -1;
+        }
+    }
+
+  if (!*mutex && !*pingpong)
+    {
+      printf ("You must pass at least one argument\n");
+      return -1;
+    }
+  return 0;
+}