Re: XSI 6 crashes, new bug ?

["Alan Jones" <skyphyr(at)gmail.com>]

Hi Christopher,

You can use the Splish submission plugin as reference for this.

http://splish.svn.sourceforge.net/viewvc/splish/trunk/extplugins/xsi/

Cheers,

Alan.

On 4/27/07, Christopher Crouzet <christopher.crouzet(at)gmail.com> wrote:
> Hello everyone,
> I'm actually writing a custom property in C++, and I just found what looks
> like a bug.
> The property is intended to be temporary, so I'm calling the 'DeleteObj'
> command within the 'siOnClosed' PPGEventContext to destroy the property when
> the user has finished to interact with it.
> By doing this, XSI 6 randomly crashes... sometimes after 3 tries, sometimes
> after 20, but it always crashes.
>
>
> Below is a code example to reproduce the problem by calling a few times the
> 'crashy' command.
>
> // Start code.
>
> XSIPLUGINCALLBACK CStatus crashy_Execute(CRef &in_ctxt)
> {
>     Context ctxt = in_ctxt;
>
>
>     Application app;
>     Factory factory = app.GetFactory();
>     CRef refProp = factory.CreateObject(L"crashyProp");
>
>     CValueArray inArgs(5);
>     inArgs[0] = refProp;
>     inArgs[3] = siLock;
>     inArgs[4] = false;
>
>     CValue outVal;
>
>     app.ExecuteCommand(L"InspectObj", inArgs, outVal);
>
>
>     return CStatus::OK;
> }
>
> XSIPLUGINCALLBACK CStatus crashyProp_PPGEvent(const CRef &in_ctxt)
> {
>     PPGEventContext ctxt = in_ctxt;
>     PPGEventContext::PPGEvent ppgEvent = ctxt.GetEventID ();
>
>     if (ppgEvent == PPGEventContext::siOnInit) {
>         CustomProperty customProp = ctxt.GetSource();
>
>         ctxt.PutAttribute(L"Close", true);
>     }
>     else if (ppgEvent == PPGEventContext::siOnClosed) {
>         CustomProperty customProp = ctxt.GetSource();
>
>
>         CValueArray inArgs(1);
>         inArgs[0] = customProp;
>
>         CValue outVal;
>
>         Application().ExecuteCommand(L"DeleteObj", inArgs,
> outVal);
>     }
>
>
>     return CStatus::OK;
> }
>
> // End.
>
>
>
> It perhaps looks strange to call the deletion of an object within the
> callback of the object itself, but there is a similar code in the doc
> (PluginRegistrar Class Reference).
> And this code works fine in XSI 5.1, and crashe onnly with XSI 6.0 and XSI
> 6.01, so the code should be OK I think.
>
> So, is it a new bug introduced since v6 ?
> Does anyone have a workaround ?
>
>
> Thanks !
> Christopher.
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