Re: willTerminate() vs message (kIOMessageServiceIsTerminated)

• Subject: Re: willTerminate() vs message (kIOMessageServiceIsTerminated)
• From: Daniel Sumorok <email@hidden>
• Date: Tue, 18 Oct 2005 13:39:15 -0700 (PDT)
• Delivered-to: email@hidden
• Delivered-to: email@hidden

Do you close the provider in your willTerminate()
method?

  -Dan

--- Alec Carlson <email@hidden> wrote:

> I have both willTerminate() and message() functions
> in my USB driver. I was
> under the impression that willTerminate() and
> didTerminate() were the new
> (correct) way to trap device termination. The "old"
> way was to look for
> kIOMessageServiceIsTerminated messages passed to the
> message() routine. I
> was told that the kIOMessageServiceIsTerminated 
> message was deprecated.
> 
> If I handle the termination event in willTerminate()
> then my stop() routine
> never gets called. If I #ifdef out the
> willTerminate() routine and move the
> cleanup code into
> message(kIOMessageServiceIsTerminated) - the exact
> same
> cleanup takes place but in this case my stop()
> routine does get called. My
> stop() routine does some additional cleanup which is
> required to allow the
> driver to be unloaded.
> 
> Any idea why willTerminate() is preventing stop()
> from being called ?
> 
> Alec Carlson
>
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