1 files changed, 11 insertions, 0 deletions
diff --git a/src/tests/userprog/wait-bad-pid.c b/src/tests/userprog/wait-bad-pid.c
new file mode 100644
index 0000000..3fe8ee4
--- /dev/null
+++ b/src/tests/userprog/wait-bad-pid.c
@@ -0,0 +1,11 @@
+/* Waits for an invalid pid.  This may fail or terminate the
+   process with -1 exit code. */
+
+#include <syscall.h>
+#include "tests/main.h"
+
+void
+test_main (void) 
+{
+  wait ((pid_t) 0x0c020301);
+}