actually call process_execute

1 files changed, 3 insertions, 2 deletions

diff --git a/src/userprog/syscall.c b/src/userprog/syscall.c
index 65ebc7e..0df46f4 100644
--- a/src/userprog/syscall.c
+++ b/src/userprog/syscall.c
@@ -9,6 +9,7 @@
 #include "filesys/filesys.h"
 #include "filesys/off_t.h"
 #include "lib/pid_t.h"
+#include "userprog/process.h"
 #include "threads/init.h"
 #include "threads/malloc.h"
 
@@ -144,9 +145,9 @@ close (int fd_i)
 }
 
 static pid_t
-exec (const char *file_name UNUSED)
+exec (const char *file_name)
 {
-  return -1;
+  return process_execute (file_name);
 }
 
 // cast to TYPE and deref argument N from f->esp