Is there a way to tell if a function is executing inside a parfor?

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Adam
Adam 2014-9-11
评论： Adam 2014-9-12
When I just start typing on the command line and tab to give auto-complete options I came across
isinparfor
This sounded as though it is exactly what I am looking for, but it is undocumented, does nothing and when I look inside the function the 'parfor_depth' that it calls also seems not to do anything either.
I have a function which in some circumstances opens up a dialog with uiwait for the user to choose a directory. This function happens to now be being called from another function and the root function for these calls is being executed in a parfor loop. This causes problems because the program just hangs for ever in the uiwaits since the dialog boxes can't be shown within a parfor loop.
So I was hoping there would be some function or way of telling in the function whether or not it is being executed inside a parfor loop so that I can avoid doing the uiwait browser dialog in that case. So far I haven't been able to find one though.

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Edric Ellis
Edric Ellis 2014-9-12
You could try using
isOnWorker = ~isempty(getCurrentTask());
to see if your code is running on a worker.

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