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Path: ...!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Martijn Dekker <martijn@inlv.demon.nl> Newsgroups: comp.unix.shell Subject: Re: Cleaning up background processes Date: Sun, 19 May 2024 20:34:41 +0100 Lines: 15 Message-ID: <lav2ihFjo73U1@mid.individual.net> References: <slrnv3fm5e.jrj.naddy@lorvorc.mips.inka.de> <20240505214609.114@kylheku.com> <v1ah87$l0a8$1@news.xmission.com> <v1gpdq$3me9$1@dont-email.me> <v1h0hk$7rkr$1@dont-email.me> <ptg1hk-7n3.ln1@ID-313840.user.individual.net> <v1l5k7$1c28l$1@dont-email.me> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net ABZJ8202ZOkKopcE3pR39AA4zJixGPP1h0VbgSlkJ1mE5SguQ= Cancel-Lock: sha1:E4bQ+Cj9M7HMSM/gTZ4GgeKuh/8= sha256:q8AQOr1jYjXLj3eT7zzmnfsfPmGTXTzkVLUCpUT+sk8= User-Agent: Mozilla Thunderbird Content-Language: en-GB In-Reply-To: <v1l5k7$1c28l$1@dont-email.me> Bytes: 1595 Op 10-05-2024 om 13:57 schreef Janis Papanagnou: > BTW, I'm astonished about the "undefined results" for KILL/STOP. Yes, > on OS-level they cannot be caught but why undefined behavior on shell > level; what is the reason or practical rationale for that? I suspect it was to allow the shell to error out on an attempt to trap those signals. As far as I know, yash is the only shell that actually does that. -- || modernish -- harness the shell || https://github.com/modernish/modernish || || KornShell lives! || https://github.com/ksh93/ksh