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Re: get backtrace of handle-switch-frame

From: Stefan Monnier
Subject: Re: get backtrace of handle-switch-frame
Date: Mon, 25 Mar 2019 08:24:24 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

> Hello, is it possble to get the backtrace of function `handle-switch-frame`
> so that I can find out the cause of an unexpected frame switch event?

I'm not completely sure what you mean by "the backtrace of function
<...>", but I assume you want to get the backtrace at the point where
the function is called.
`M-x debug-on-entry RET handle-switch-frame RET` should do just that.

But I think you'll be very disappointed with the result: this is
a function bound to an event, and these are decoupled from the code that
generates/triggers the event by a buffer (this is the buffer that's used
to remember the keys you pressed while a long-running command is still

So the backtrace will likely tell you very little and specifically it
will not tell you the cause of the unexpected frame switch event.


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