xnu-3789.31.2.tar.gz

[apple/xnu.git] / osfmk / kern / task_policy.c

diff --git a/osfmk/kern/task_policy.c b/osfmk/kern/task_policy.c
index dcd6fc472ffdfd984ebdc435f858e5f9d5d0ba5b..a89ca7458a3912eaa14e6738bda1d63e090d29de 100644 (file)
--- a/osfmk/kern/task_policy.c
+++ b/osfmk/kern/task_policy.c
@@ -1835,6 +1835,20 @@ proc_set_task_spawnpolicy(task_t task, int apptype, int qos_clamp, int role,
                                  task_is_importance_receiver(task), 0);
 }
 
+/*
+ * Inherit task role across exec
+ */
+void
+proc_inherit_task_role(task_t new_task,
+                       task_t old_task)
+{
+       int role;
+
+       /* inherit the role from old task to new task */
+       role = proc_get_task_policy(old_task, TASK_POLICY_ATTRIBUTE, TASK_POLICY_ROLE);
+       proc_set_task_policy(new_task, TASK_POLICY_ATTRIBUTE, TASK_POLICY_ROLE, role);
+}
+
 extern task_t bsd_init_task;
 
 /*