userprog: print current thread ID

diff --git a/userprog.c b/userprog.c
index 2847c1af8e55d69acfe4d7cffc65924bd0b96f46..ba0c867fd195c86b08cee679468f9a93624736a1 100644 (file)
--- a/userprog.c
+++ b/userprog.c
@@ -30,11 +30,11 @@ void user_main()
 
        atomic_init(&obj, 0);
 
-       printf("Creating 2 threads\n");
+       printf("Thread %d: creating 2 threads\n", thrd_current());
        thrd_create(&t1, (thrd_start_t)&a, &obj);
        thrd_create(&t2, (thrd_start_t)&a, &obj);
 
        thrd_join(t1);
        thrd_join(t2);
-       printf("Thread is finished\n");
+       printf("Thread %d is finished\n", thrd_current());
 }