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Re: Preventing file descriptor leak to execl'd processes

From: Maxime Devos
Subject: Re: Preventing file descriptor leak to execl'd processes
Date: Sat, 06 Mar 2021 19:04:05 +0100
User-agent: Evolution 3.34.2

On Sat, 2021-03-06 at 17:55 +0100, Marius Bakke wrote:
> Hello Guilers,
> [...]
> It works great, except that the script filename (/tmp/test-shell) has
> an open file descriptor which leaks into the new process:
> [...]
> I've managed to work around it by setting FD_CLOEXEC on it:
> [code using port-for-each and port-filename]
> But it seems heavy-handed.  Is there an easier way to access the "script
> port"?  Perhaps Guile itself should make it FD_CLOEXEC by default?

Easy way to access the ‘script port’: the Scheme procedure current-load-port.
Take a look at the output of the attached script.


Attachment: script.scm
Description: Text Data

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Description: This is a digitally signed message part

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