[openbeos-midi] Re: BMidiEndPoint
- From: Jerome Leveque <jerl1@xxxxxxx>
- To: openbeos-midi@xxxxxxxxxxxxx
- Date: Thu, 10 Oct 2002 13:07:27 +0200
10/10/2002 13:50:42, "Matthijs Hollemans" <matthijs@xxxxxxxxxxxxxxxxxxx> a
écrit:
>
>Hi Jerome,
>
>> Can you explain me what must do BMidiEndPoint::Acquire() and
>> BMidiEndPoint::Release()
>
>From the Be Newsletter Volume 4 Issue 3 (one of the few places where
>Midi Kit 2is documented):
I just find this document what are the few other places?
>"The final thing I want to note about the Midi Kit is the
>reference counting scheme. Each MIDI endpoint has a
>reference count associated with it, so that the bookkeeping
>associated with the endpoints is correct. When you construct
>an endpoint, it starts with a count of 1. Once the count
>hits 0, the endpoint will be deleted. This means that, to
>delete an endpoint, you don't call the delete operator
>directly; instead, you call BMidiEndpoint::Release(). To
>balance this call, there's also a BMidiEndpoint::Acquire(),
>in case you have two disparate parts of your application
>working with the endpoint, and you don't want to have to
>keep track of who needs to Release() the endpoint."
This 2 functions just count up and down? or they make something else?
A+
Jerome
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