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Tue, 17 Aug 2021 10:21:35 +0200 Received: from oxbe8.tb.ukmail.iss.as9143.net ([172.25.160.139]) by smtp1.tb.ukmail.iss.as9143.net with ESMTP id FuLnmo5PphdxkFuLnmaRo4; Tue, 17 Aug 2021 10:21:35 +0200 X-Env-Mailfrom: p.w.stephenson@ntlworld.com X-Env-Rcptto: zsh-workers@zsh.org X-SourceIP: 172.25.160.139 X-CNFS-Analysis: v=2.4 cv=Ru2mkAqK c=1 sm=1 tr=0 ts=611b718f cx=a_exe a=pgSR3NrKiwmx/6vnWRL19w==:117 a=sfM75MaK4YAA:10 a=IkcTkHD0fZMA:10 a=2y5beTJ5bSgA:10 a=q2GGsy2AAAAA:8 a=vGauj-o1nAaJmaSX6NQA:9 a=QEXdDO2ut3YA:10 a=z9dJwno5l634igLiVhy-:22 X-Authenticated-Sender: p.w.stephenson@ntlworld.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ntlworld.com; s=meg.feb2017; t=1629188495; bh=Ivz5I7daYMcu1gNxm3PQzo22yeY+Cbk3HlOJyl8ZBhI=; h=Date:From:To:In-Reply-To:References:Subject; b=CYafaIoRTvWNpKzQ627YLjlbtNBPMIVhtTQLvREDb+pwRXey8Mqa5sVQD1CPqXGaA RGrItkvTwlu1NJ6xHM3t68sk7XzD91ELBaqsjlqEQKpN42aCHOXGzj/811uAv014xZ 4wbFonF7tDMRx+q3zRX0ykGULR11TXrul6wULdIscR6iE3V+nKQDS779zLkjHttoQP kTjr9Ot+r5Etk6PubdMhIyHahZyHGQ5aE6EFZW2dmjMW0iRDN+rGKJYbqc1LG+f8Ub TaU8q6+rgQQ4mxshy+dmvavxTsOfGd3z/cxmGbL2Z32JtALdxIzJHK2QKorkRRpmwF TcpiNb/19yLeA== Date: Tue, 17 Aug 2021 09:21:35 +0100 (BST) From: Peter Stephenson To: Zsh hackers list Message-ID: <1888954006.948395.1629188495083@mail2.virginmedia.com> In-Reply-To: References: <20210724225048.ly7qpdvi55j3h5mi@localhost> <20210731202547.yxzvwevxvy22ywm3@localhost> Subject: Re: [BUG] malloc inside signal handler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Priority: 3 Importance: Medium X-Mailer: Open-Xchange Mailer v7.8.4-Rev72 X-Originating-IP: 165.225.81.118 X-Originating-Client: open-xchange-appsuite X-CMAE-Envelope: MS4xfDKYzELiDspP5x6mzd/YCSTQ7EHiJycqmMA0XvwqGWpkhJe5GZFgJMkSwccNSfLzVrYbNFuh/9ZW0lsH/EwsaGg5KpZBP9z7nR+mCZHZYOSi5kAFW7AN LavQdVKwivF2MIWwRW99tHAmxXzfmDSGC2uvMi6gpj29R3yCAGLXM+mJlxrjhXj8226uGxbQXwPGc9wA/CaF0R9MnDVXSCTaZWkigHXqj/NeYPQn+6Mod6RM X-Seq: 49287 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: > On 17 August 2021 at 05:20 Bart Schaefer wrote: > Or maybe shingetline() doesn't actually need to call winch_unblock() > when loop(0,...) is called and isatty(bshin) is false ... which means > passing the value of toplevel down from loop(). But that probably > just fixes adjustwinsize() and leaves other signal handlers > unprotected. Might be worth doing anyway, since adjustwinsize() is the one that's doing the big allocation within the signal code. I haven't checked, but I doubt there's anything like that in the others. Avoiding stdio for input of this sort doesn't actually look infeasible, either --- mentions of bshin (buffered shell input from files) are restricted to only a couple of files. But it's kind of annoying as this is exactly the job stdio is designed for. pws