Update comments.

[pintos-anon] / src / threads / init.c

diff --git a/src/threads/init.c b/src/threads/init.c
index 0d9c69984603eaaa6a69bf4fac58c4af9e54ce54..855afa0340fcb66788aa03a00cc70666b17bbbae 100644 (file)
--- a/src/threads/init.c
+++ b/src/threads/init.c
@@ -112,8 +112,13 @@ main (void)
   /* Run a user program. */
   if (initial_program != NULL)
     {
+      tid_t tid;
       printf ("\nExecuting '%s':\n", initial_program);
-      process_execute (initial_program); 
+      tid = process_execute (initial_program);
+#ifdef THREAD_JOIN_IMPLEMENTED
+      if (tid != TID_ERROR)
+        thread_join (tid);
+#endif
     }
 #else
   test ();
@@ -278,6 +283,8 @@ power_off (void)
 #endif
 
   printf ("Powering off...\n");
+  serial_flush ();
+
   for (p = s; *p != '\0'; p++)
     outb (0x8900, *p);
   for (;;);