I met a problem

when I register PROCESS and PARK event use switch_event_bind_removable.

In my view,In normal sequence，PROCESS call back first and PARK callback second.

But sometims PARK is callback first and PROCESS callback second. And in different thread.

The out-of-order problem Bothers me.

my dialplan:

<action application="ring_ready" />

<action application="park" />

event time is same,but out of order and in different

last number is thread number

2015-12-24 09:40:28.238697   CHANNEL_PROGRESS  3042203392

2015-12-24 09:40:28.238697  CHANNEL_PARK 3043677952