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Re: mapfile and proc filesystem, limitation or possible bug

X-seq: zsh-users 30679
From: dana <dana@xxxxxxx>
To: "Mikael Magnusson" <mikachu@xxxxxxxxx>, linuxtechguy@xxxxxxxxx
Cc: zsh <zsh-users@xxxxxxx>
Subject: Re: mapfile and proc filesystem, limitation or possible bug
Date: Tue, 23 Jun 2026 02:21:52 +0000
Archived-at: <https://zsh.org/users/30679>
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In-reply-to: <6a7abdb9-1bc9-45eb-a914-426e2a2003a0@app.fastmail.com>
List-id: <zsh-users.zsh.org>
References: <CA+rB6GK3uNBh42y5b_XzocQ=CZBTbmXPDYT50iisytS7Q+mTMw@mail.gmail.com> <CAHYJk3Q_Medbj_4LP5wYzakh26wMaX763dDoWcjMU7ntdQ7qxQ@mail.gmail.com> <6a7abdb9-1bc9-45eb-a914-426e2a2003a0@app.fastmail.com>

On Tue 23 Jun 2026, at 02:10, dana wrote:
>   >>> mmap.mmap(f.fileno(), 96)

if you're trying this yourself, don't forget PROT_READ like i did (but
it still fails)

dana

References:
- mapfile and proc filesystem, limitation or possible bug
  - From: Jim
- Re: mapfile and proc filesystem, limitation or possible bug
  - From: Mikael Magnusson
- Re: mapfile and proc filesystem, limitation or possible bug
  - From: dana

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