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http://www.openoffice.org/issues/show_bug.cgi?id=57125
Issue #:|57125
Summary:|dialog adaptions for Threading Framework
Component:|gsl
Version:|OOo 2.0
Platform:|All
URL:|
OS/Version:|All
Status:|NEW
Status whiteboard:|
Keywords:|
Resolution:|
Issue type:|DEFECT
Priority:|P3
Subcomponent:|code
Assigned to:|kso
Reported by:|kso
------- Additional comments from [EMAIL PROTECTED] Tue Nov 1 05:01:28 -0800
2005 -------
Dialogs that create threads that call back to VCL (general, call non-threadsafe
code) will not work any longer with the new Threading Framework.
Dialog::Execute() is a non-threadsafe VCL call and therefore must not leave the
VCL apartment until Execute has returned. Thus, a thread will not be able to
call back to VCL as long as the dialog is in Execute(). If the dialog logic is
that Execute() only returns after the thread has delivered some data, we have a
deadlock.
All those dialogs and all of its callers must be rewritten to use a new
interface for executing modal dialogs asynchronously.
Idea:
class Dialog
{
....
virtual void startExecuteModal( const Link & rEndDialogHdl );
...
};
With this new interface, VCL apartment will be left directly after starting the
dialog, giving other threads the chance to call back to VCL apartment. Dialog
results will be delivered asynchronously using the link supplied by the caller
oo startExecuteModal().
Note that is currently not nessacery to change all dialogs to use the new
interface. Only those who create threads are problematic in the context of the
Threading Framework.
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