fork/exec & close file descriptors

[Chris Angelico]

On Wed, May 20, 2015 at 12:31 AM, Skip Montanaro
<skip.montanaro at gmail.com> wrote:
> On Tue, May 19, 2015 at 8:54 AM, Chris Angelico <rosuav at gmail.com> wrote:
>>
>> On Linux (and possibly some other Unixes), /proc/self/fd may be of
>> use.
>
>
> Good point. Yes, /proc/PID/fd appears to contain all the entries for open
> file descriptors (I am on Linux).

Yes, and /proc/self is usually a magic symlink to /proc/<your_pid> so
you can just look at /proc/self/fd instead of explicitly calling up
your own PID.

ChrisA