Solved: life span of file descriptors?

[Torsten Fink <tnfink@inf.fu-berlin.de>]

Hi,

> Not that I would like to discourage your investigations, but there
> already is such a monitoring system that works in the same way as you
> just described:

yes I'm aware of it. I just wanted to learn about system calls.

> > So the question is: Why can't I write more than once to the
> > same file descriptor in the kernel from different system calls?
> 
> Are you sure you are still tracing the same process? A file descriptor
> is only valid within the context of a single process.

OF COURSE!

Luckily this is a "Newbies" mailing list :-)

You're absolutely right.

Thank you!


-- Torsten
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