[TCLCORE] Re: [trace execute] for [onexit callback]

[Donald G P. <dg...@ca...>]

Vince,

> I had some spare time over the weekend, so I implemented 4 new options
> to 'trace add/remove command', in addition to the rename/delete options
> which are already in Tcl 8.4a2.

Nice work on your continuing efforts to improve [trace].

Please take a look at the patch in TR # 6174

	http://dev.scriptics.com/ticket/issue-view.tcl?msg_id=6174

and incorporate its strategy of replacing ckfree() with Tcl_EventuallyFree(),
etc. into your expansions of [trace].

[trace] has a segfault problem, and your expansions will expand that
problem unless you amend them in this way.  See TR #6172 for a demonstration
of the segfault.

Let me know if you have any questions about #6174.

DGP

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