Purpose of kqueue_task?

[Sebastian Huber]

Hello,

I want to port the FreeBSD kqueue implementation to another operating system 
(RTEMS in this case) to improve the Erlang support.

I have difficulties to understand the purpose of the kqueue_task.  This 
function runs asynchronously.  It obtains some locks and wakes up the normal 
kqueue channel if (kq->kq_state & KQ_TASKDRAIN) == KQ_TASKDRAIN.  This state is 
only set in kqueue_close().  So most of the time the kqueue_task only obtains 
some locks, clears a flag (KQ_TASKSCHED) and releases the locks?

-- 
Sebastian Huber, embedded brains GmbH

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