[#18] Implement halt system call

Implementation of `halt ()` system call, using `power_off ()` defined in `threads/init.h`.
hangpark · Apr 9, 2017 · c9b5a7a · c9b5a7a
1 parent fd9af41
commit c9b5a7a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/userprog/syscall.c b/src/userprog/syscall.c
@@ -1,9 +1,11 @@
 #include "userprog/syscall.h"
 #include <stdio.h>
 #include <syscall-nr.h>
+#include <debug.h>
 #include "threads/interrupt.h"
 #include "threads/thread.h"
 #include "threads/synch.h"
+#include "threads/init.h"
 
 #define pid_t int
 
@@ -88,10 +90,12 @@ syscall_handler (struct intr_frame *f UNUSED)
     }
 }
 
+/* Terminate pintos. */
 static void 
 syscall_halt (void)
 {
-
+  power_off ();
+  NOT_REACHED ();
 }
 
 static void