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(wasm shell) sleep/1 example hangs indefinitely #1023

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Jean-Luc-Picard-2021 opened this issue Aug 21, 2022 · 2 comments
Closed

(wasm shell) sleep/1 example hangs indefinitely #1023

Jean-Luc-Picard-2021 opened this issue Aug 21, 2022 · 2 comments

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@Jean-Luc-Picard-2021
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Jean-Luc-Picard-2021 commented Aug 21, 2022 •
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Maybe this is an issue of flush_output/1. But I don't
get this example working:

test :- write('Hello '), flush_output,
   sleep(1),
   write('World!'), nl.

It hangs here:

https://dev.swi-prolog.org/wasm/shell
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@Jean-Luc-Picard-2021
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A related but different bug here:
ciao-lang/ciao#66

@Jean-Luc-Picard-2021 Jean-Luc-Picard-2021 changed the title (wasm shell) sleep/1 hangs indefinitely (wasm shell) sleep/1 example hangs indefinitely Aug 21, 2022
@JanWielemaker
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Thanks. Was broken after rewrite of the high level Prolog query interface using iterators 😢
Updated dev.swi-prolog.org/wasm. Flush works correctly. See rebinding of standard streams in shell.html.

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@JanWielemaker @Jean-Luc-Picard-2021