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From Jeff Trawick <traw...@gmail.com>
Subject Re: comments on DTrace support for hooks
Date Tue, 15 Dec 2009 12:54:06 GMT
On Tue, Dec 15, 2009 at 7:46 AM, Jeff Trawick <trawick@gmail.com> wrote:
> On Fri, Dec 11, 2009 at 3:21 PM, Jeff Trawick <trawick@gmail.com> wrote:
>> I'll change the hook [D]trace support Real Soon now along these lines,
>> before the apr-util 1.4.x API is frozen.
> [w.r.t. to the state of the apr-util 1.4.x API: changes to the hook
> hook probes are irrelevant; if someone installed an apr-util 1.4.0-dev
> configured with --enable-dtrace, it would break any other apps
> compiled against it that used hooks (presumably there was one key app
> that had build support for the DTrace probes); in fact it would have
> broken the httpd 2.3.4 with which it was distributed]
> apr trunk patch: http://people.apache.org/~trawick/apr_hook_probes-trunk.txt
> apr-util 1.4.x patch:
> http://people.apache.org/~trawick/apr_hook_probes-1.4.x.txt

I forgot to mention...  Theo's patch didn't update the optional hook
run-all macro to invoke any probes and I haven't added that in my
patch, but that could easily be supported.

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