fix threads()1044-osx-zombies

1 files changed, 5 insertions, 2 deletions

diff --git a/psutil/_psutil_osx.c b/psutil/_psutil_osx.c
index 92d48dd4..450f1db0 100644
--- a/psutil/_psutil_osx.c
+++ b/psutil/_psutil_osx.c
@@ -1003,10 +1003,13 @@ psutil_proc_threads(PyObject *self, PyObject *args) {
     if (! PyArg_ParseTuple(args, "l", &pid))
         goto error;
 
-    // task_for_pid() requires special privileges
+    // task_for_pid() requires root privileges
     err = task_for_pid(mach_task_self(), (pid_t)pid, &task);
     if (err != KERN_SUCCESS) {
-        psutil_raise_for_pid(pid, "task_for_pid() failed");
+        if (psutil_pid_exists(pid) == 0)
+            NoSuchProcess();
+        else
+            AccessDenied();
         goto error;
     }