Re: How to check if pcap_t is really free?

[Nadav Vinik <nadavvin () gmail com>]

On 20 June 2013 22:47, Guy Harris <guy () alum mit edu> wrote:

> On Jun 20, 2013, at 12:36 PM, Nadav Vinik <nadavvin () gmail com> wrote:
>
> > Hoever if I change to pcap_close(&handle) I get the following error:
>
> Because code that passes a pointer to a pointer to a pcap_t, rather than a
> pointer to a pcap_t, to pcap_close() is erroneous code.
>
> You cannot arrange that libpcap somehow make a pcap_t or a pointer to it
> detectably invalid when you close the handle; if you want to know whether a
> pcap_t has been closed, you will have to make your code explicitly mark it
> as such.  For example, replace all occurrences of
>
>         pcap_close(handle);
>
> in your code with
>
>         pcap_close(handle);
>         handle = NULL;


Back to the original question.

Is there a way to check if handle is already free?
my problem is that it become free even before it reach to pcap_close.

see:
https://mail.gnome.org/archives/vala-list/2013-June/msg00022.html

thanks
Nadav

-- 
הבלוג שלי:
http://nadavvin.com
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