Subject: bug#30699: 26.0.91; buffer contents flicker on macOS frames when frames are resized

From: Eli Zaretskii <[email-masked]>
Date: Mon, 12 Mar 2018 18:39:59 +0200

> Date: Mon, 12 Mar 2018 00:46:38 +0000
> From: Alan Third <[email-masked]>
> Cc: [email-masked], [email-masked]
> 
> Am I able to call redisplay whenever I want?

Not sure about "whenever I want" part.

> That is, does calling it ever result in a longjmp?

I think it never longjmps, even on TTYs, where C-g generates SIGINT.
But I may be wrong here.