Path: ...!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: Joy of this, Joy of that
Date: Mon, 25 Nov 2024 06:50:32 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 19
Message-ID: <vi16no$2lna0$2@dont-email.me>
References: <vhigot$1uakf$1@dont-email.me>
	<6iKdnTQOKNh6AqD6nZ2dnZfqn_idnZ2d@earthlink.com>
	<20241120081039.00006d2a@gmail.com> <vhlium$93kn$1@dont-email.me>
	<vhmprp$iaf1$1@dont-email.me> <lq9h4kF2tegU1@mid.individual.net>
	<vhpmo6$14s79$1@dont-email.me> <wwva5drk0m1.fsf@LkoBDZeT.terraraq.uk>
	<vhptgf$1614q$1@dont-email.me> <Iq40P.70904$EQue.62359@fx13.iad>
	<vhqr9n$1b2t7$8@dont-email.me> <rcf0P.211280$pZ%.136218@fx16.iad>
	<vhs16a$1k6ft$4@dont-email.me> <URp0P.4720$BuL8.1096@fx03.iad>
	<vhti42$1s5d5$7@dont-email.me>
	<slrnvk7vdh.32tsq.candycanearter07@candydeb.host.invalid>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 25 Nov 2024 07:50:32 +0100 (CET)
Injection-Info: dont-email.me; posting-host="382ad7ab0575480e8209ed388edbd402";
	logging-data="2809152"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/ZkFcJI6gU0NYcCA5JE2T7"
User-Agent: Pan/0.161 (Chasiv Yar; )
Cancel-Lock: sha1:CFxpmPtk/mnuxOvap1xWAe9YWJ8=
Bytes: 2244

On Mon, 25 Nov 2024 04:40:03 -0000 (UTC), candycanearter07 wrote:

> Lawrence D'Oliveiro <ldo@nz.invalid> wrote at 21:40 this Saturday (GMT):
>>
>> Actually, thinking about it, there are some things -- shared memory
>> sections come to mind -- that are not automatically freed when a
>> process terminates. But everything else -- memory, open files, network
>> connections -- will go away automatically.
>>
>> If you have those persistent things that you want to clean up, your
>> technique won’t be reliable anyway.
> 
> Does it get freed up when the other processes that have it open also
> close it, or is it stuck until shutdown?

POSIX shared memory sections stay in existence until deletion, or system 
shutdown.

<https://manpages.debian.org/3/shm_unlink.3.en.html>