Refactor start_process to hold file system lock for less time

2024-11-14 16:05:15 +00:00
parent 3a46e0f73a
commit e4036c715f
1 changed files with 1 additions and 1 deletions
--- a/src/userprog/process.c
+++ b/src/userprog/process.c
@@ -149,9 +149,9 @@ start_process (void *proc_start_data)
      sema_up (&data->loaded);
      thread_exit ();
    }
-  thread_current ()->exec_file = exec_file;
  file_deny_write (exec_file);
  lock_release (&filesys_lock);
+  thread_current ()->exec_file = exec_file;

  data->success = load (data->file_name, &if_.eip, &if_.esp);