184     return (interp->runtime->audit_hooks.head  in should_audit()
185             || interp->audit_hooks  in should_audit()
242     _Py_AuditHookEntry *e = is->runtime->audit_hooks.head;  in sys_audit_tstate()
255     if (is->audit_hooks) {  in sys_audit_tstate()
261         hooks = PyObject_GetIter(is->audit_hooks);  in sys_audit_tstate()
389     _Py_AuditHookEntry *e = runtime->audit_hooks.head, *n;  in _PySys_ClearAuditHooks()
390     runtime->audit_hooks.head = NULL;  in _PySys_ClearAuditHooks()
402     if (runtime->audit_hooks.head == NULL) {  in add_audit_hook_entry_unlocked()
403         runtime->audit_hooks.head = entry;  in add_audit_hook_entry_unlocked()
406         _Py_AuditHookEntry *last = runtime->audit_hooks.head;  in add_audit_hook_entry_unlocked()
453     PyMutex_Lock(&runtime->audit_hooks.mutex);  in PySys_AddAuditHook()
455     PyMutex_Unlock(&runtime->audit_hooks.mutex);  in PySys_AddAuditHook()
485     if (interp->audit_hooks == NULL) {  in sys_addaudithook_impl()
486         interp->audit_hooks = PyList_New(0);  in sys_addaudithook_impl()
487         if (interp->audit_hooks == NULL) {  in sys_addaudithook_impl()
491         PyObject_GC_UnTrack(interp->audit_hooks);  in sys_addaudithook_impl()
494     if (PyList_Append(interp->audit_hooks, hook) < 0) {  in sys_addaudithook_impl()