TD2 I.6 never exit fot testing purpose

2021-11-16 21:45:56 +01:00 · 2021-11-16 21:45:56 +01:00 · 1a97a8aef5
commit 1a97a8aef5
parent 84bf3fdf5f
1 changed files with 2 additions and 0 deletions
--- a/code/userprog/exception.cc
+++ b/code/userprog/exception.cc
@ -131,6 +131,8 @@ ExceptionHandler (ExceptionType which)
        #ifdef CHANGED
        case SC_Exit:
          {
+            while (1)
+                currentThread->Yield();
            int ret = machine->ReadRegister(4);
            printf("Exit code %d\n", ret);
            interrupt->Powerdown();