BINDER_LOOPER_STATE_EXITED = 0x04,
BINDER_LOOPER_STATE_INVALID = 0x08,
BINDER_LOOPER_STATE_WAITING = 0x10,
- BINDER_LOOPER_STATE_NEED_RETURN = 0x20
+ BINDER_LOOPER_STATE_NEED_RETURN = 0x20,
+ BINDER_LOOPER_STATE_POLL = 0x40,
};
struct binder_thread {
} else
BUG();
}
+
+ /*
+ * If this thread used poll, make sure we remove the waitqueue
+ * from any epoll data structures holding it with POLLFREE.
+ * waitqueue_active() is safe to use here because we're holding
+ * the global lock.
+ */
+ if ((thread->looper & BINDER_LOOPER_STATE_POLL) &&
+ waitqueue_active(&thread->wait)) {
+ wake_up_poll(&thread->wait, POLLHUP | POLLFREE);
+ }
+
if (send_reply)
binder_send_failed_reply(send_reply, BR_DEAD_REPLY);
binder_release_work(&thread->todo);
return POLLERR;
}
+ thread->looper |= BINDER_LOOPER_STATE_POLL;
+
wait_for_proc_work = thread->transaction_stack == NULL &&
list_empty(&thread->todo) && thread->return_error == BR_OK;