add cancellation test, will ask about bug at meeting

1 files changed, 8 insertions, 1 deletions

diff --git a/kernel/proc/kthread.c b/kernel/proc/kthread.c
index 46dd627..fa447ae 100644
--- a/kernel/proc/kthread.c
+++ b/kernel/proc/kthread.c
@@ -99,6 +99,9 @@ kthread_t *kthread_create(proc_t *proc, kthread_func_t func, long arg1,
     list_init(&new_thread->kt_mutexes);
     new_thread->kt_recent_core = 0;
 
+    // put this thread on the process's thread list
+    list_insert_tail(&proc->p_threads, &new_thread->kt_plink);
+
     dbg(DBG_THR, "SUCCESFULLY created a new THREAD with proc name=%s, id=%d\n", proc->p_name, proc->p_pid);
 
     return new_thread;
@@ -160,6 +163,9 @@ void kthread_cancel(kthread_t *thr, void *retval)
     KASSERT(thr != curthr);
 
     // TODO: ask about the use of check_curthr_cancelled() in syscall_handler()
+    int status = (int) retval;
+    dbg(DBG_THR, "Cancelling thread with proc name=%s, id=%d, status=%d\n", 
+        thr->kt_proc->p_name, thr->kt_proc->p_pid, status);
     thr->kt_retval = retval;
     sched_cancel(thr);
 
@@ -172,6 +178,7 @@ void kthread_cancel(kthread_t *thr, void *retval)
 void kthread_exit(void *retval)
 {
     // NOT_YET_IMPLEMENTED("PROCS: kthread_exit");
-
+    dbg(DBG_THR, "Exiting thread with proc name=%s, id=%d, status=%d\n",
+        curthr->kt_proc->p_name, curthr->kt_proc->p_pid, (int) retval);
     proc_thread_exiting(retval);
 }