2005-10-27 14:13:49

by Neal Becker

Subject: can/should inotify support fcntl?

I'm trying to wrap inotify functionality for python. I ran into a problem.
In order to use python's select on the fd, I need to use python's
os.fdopen. It seems os.fdopen calls:

fcntl(4, F_GETFL) = -1 EBADF (Bad file descriptor)

Looks like inotify doesn't support calling fcntl. Should it?

2005-10-27 15:13:21

by Andreas Schwab

Subject: Re: can/should inotify support fcntl?

Neal Becker <[email protected]> writes:

> I'm trying to wrap inotify functionality for python. I ran into a problem.
> In order to use python's select on the fd, I need to use python's
> os.fdopen. It seems os.fdopen calls:
>
> fcntl(4, F_GETFL) = -1 EBADF (Bad file descriptor)
>
> Looks like inotify doesn't support calling fcntl. Should it?

F_GETFL is implemented in the VFS, and it can only fail if the fd does not
denote a valid file handle.

Andreas.

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Andreas Schwab, SuSE Labs, [email protected]
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