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From: Muttley@DastardlyHQ.org
Newsgroups: comp.lang.c
Subject: Re: Python recompile
Date: Tue, 11 Mar 2025 08:31:31 -0000 (UTC)
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On Mon, 10 Mar 2025 17:12:06 GMT
scott@slp53.sl.home (Scott Lurndal) wibbled:
>Muttley@DastardlyHQ.org writes:
>>On Mon, 10 Mar 2025 15:20:00 +0200
>>Michael S <already5chosen@yahoo.com> wibbled:
>>>Similar to poll(), yes. Not so similar to super-ugly select(). I hope
>>>that Unix people stopped using select in new programs two or more
>>>decades ago.
>>
>>Nothing wrong with select if you're not multiplexing hundreds of file 
>>descriptors. Does the job.
>>
>
>The primary constraint for select(2) is not the _number_ of files
>that can be selected amongst (although that _is_ a constraint),
>but rather the largest file descriptor number is limited by the
>select(2) bitmap interface (FD_SETSIZE not only defines the number
>of file descriptors that can be passed, but also the highest
>valued file descriptor that can be passed).  poll(2) has no
>such limits.

File descriptors get reused on every version of *nix I've ever programmed
on so unless you have hundreds of descriptors open at any one time thats not
going to be a problem.

I'm not saying select() is as good as poll(), its not, but its not as bad
as people make out.