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From: | LdBeth |
Subject: | bug#49682: 27.2.50; accept-process-output within accept-process-output hangs emacs |
Date: | Mon, 06 Nov 2023 11:14:18 -0600 |
User-agent: | Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (Gojō) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.1 (x86_64-apple-darwin20.6.0) MULE/6.0 (HANACHIRUSATO) |
This bug seems happened many times to me (on Emacs 29.1 macOS, with Mitsuharu's patches if that matters) whenever I open an multipart email that contains HTML that has several image links through IMAP in the Wanderlust email reader since I start to enable HTML images in the email reader. (And for some reason C-g seems not able to interrupt the hang) The shr library uses url-queue to asynchronously download images and Wanderlust also use `accept-process-output' call to handle IMAP. For this particular case I used a dirty hack (define-advice accept-process-output (:before (&rest _) sync-queue) (when (fboundp 'url-queue-check-progress) (funcall #'url-queue-check-progress))) However, could we make `accept-process-output' atomic so the timer won't interrupt it? Or there is no reliable method yet to make any atomic operations in Emacs yet? --- ldbeth
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