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Re: [BUG] Non-local exit in thunk from system-async-mark doesn't restore
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From: |
Maxime Devos |
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Subject: |
Re: [BUG] Non-local exit in thunk from system-async-mark doesn't restore asyncs block |
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Date: |
Wed, 11 Oct 2023 00:22:38 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 |
Op 06-10-2023 om 06:50 schreef Andrew Tropin:
TLDR:
abort-to-prompt restores asyncs block level.
abort-to-prompt from a procedure scheduled with system-async-mark
doesn't restort asyncs block level.
Looks like a duplicate or variant of
<https://debbugs.gnu.org/cgi/bugreport.cgi?bug=48566>
to me. (Maybe that's why you put me in CC?)
It has a smaller/simpler reproducer.
Don't have more information, though, beyond a guess that maybe the
blocking/unblocking is actually going well but due to continuation
shenanigans, the block level would need to (temporarily) become
negative, and libguile/asyncs.c is too strict in its checks.
Or maybe I'm confusing things with another bug ...
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