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From: Muttley@DastardlyHQ.org
Newsgroups: comp.unix.programmer
Subject: Re: OT: Windows (Was: Re: Open Source does not mean easily
Date: Tue, 7 Jan 2025 08:37:03 -0000 (UTC)
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On Mon, 6 Jan 2025 17:53:20 -0000 (UTC)
kalevi@kolttonen.fi (Kalevi Kolttonen) wibbled:
>Muttley@dastardlyhq.org wrote:
>> Unix signals should only be used to set flags that are then read later. Doing
>
>> anything complicated in a signal handler is asking for trouble as you have
>> no idea where the program was when the signal occured and there can be all
>> sorts of re-entrant issues or even deadlocks if using mutexes.
>
>That is what I have learned, too, but I cannot remember the
>source. Maybe one of Richard Stevens' UNIX books.
>
>I am no expert, but I guess if you need to do async programming
>on UNIX/Linux userspace, your best is to use POSIX Threads.

Agreed.