Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #29527

Re: How to get the list of all my open file(descriptor)s and locks?

References <CANXECd56v1aefBgEeFv6=96w9ooM-HyjbpvE+d2SaZpRXhX7Mg@mail.gmail.com>
Date 2012-09-19 15:36 -0500
Subject Re: How to get the list of all my open file(descriptor)s and locks?
From Ismael Farfán <sulfurfff@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.941.1348086963.27098.python-list@python.org> (permalink)

Show all headers | View raw


2012/9/19 Ismael Farfán <sulfurfff@gmail.com>:
> Hello list
>
> From man 2 EXECVE
> "By default, file descriptors remain open across an execve()"
>
> And from man 2 FCNTL
> "Record locks are... preserved across an execve(2)."
>
> So the question:
> * If I execve a python script (from C), how can I retrieve the list of
> files, and optionally the list of locks, from within the execve(d)
> python process so that I can use them?
>
>
> Some more info:
> I'm working with exotic stuff like AIX and Solaris 10 (Windows and
> linux too :) and my lowest common denominator is python 2.3.
>
> From a standalone test within the interpreter I'd expect to get (at
> least) std(in/out/err).
>
> If more information is needed in order to help me, please let me know.
>
> Cheers
> Ismael
>
>
> --
> Do not let me induce you to satisfy my curiosity, from an expectation,
> that I shall gratify yours. What I may judge proper to conceal, does
> not concern myself alone.

It seems like I can use os.fstat to find out if a fd exists and also
get it's type and mode (I'm getting some pipes too : )

I hope it's portable across platforms, if someone knows a better
solution please let me know.

Ismael



-- 
Do not let me induce you to satisfy my curiosity, from an expectation,
that I shall gratify yours. What I may judge proper to conceal, does
not concern myself alone.

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread


Thread

Re: How to get the list of all my open file(descriptor)s and locks? Ismael Farfán <sulfurfff@gmail.com> - 2012-09-19 15:36 -0500

csiph-web