From 1ad24d3d5f77a7c064433d1f51d87afdb60d3802 Mon Sep 17 00:00:00 2001
From: Joshua Saxby <Joshua2.Saxby@live.uwe.ac.uk>
Date: Tue, 3 Dec 2019 12:57:17 +0000
Subject: [PATCH] Make thread exit if it calls an invalid syscall
---
userprog/syscall.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/userprog/syscall.c b/userprog/syscall.c
index 0c4d8cf..8ec4d62 100644
--- a/userprog/syscall.c
+++ b/userprog/syscall.c
@@ -68,8 +68,7 @@ syscall_handler (struct intr_frame *f UNUSED)
syscall_wait(f);
break;
default:
- printf ("WARNING: Invalid Syscall (%d)\n", syscall_number);
+ printf("WARNING: Invalid Syscall (%d)\n", syscall_number);
+ thread_exit();
}
- // TODO: remove this call to exit as we don't want all syscalls to make the thread exit
- thread_exit ();
}
--
GitLab